Home / 15,306,758,494.92-21,123,326,547.50-8,266,228,126.92

Finding the Fourth Proportional to 15,306,758,494.92, 21,123,326,547.50 and 8,266,228,126.92

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Solution

The fourth proportional to 15,306,758,494.92, 21,123,326,547.50 and 8,266,228,126.92 is: 11,407,394,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,758,494.92 : 21,123,326,547.50 = 8,266,228,126.92 : x
  2. Step 2: Convert to fraction form
    15,306,758,494.92/21,123,326,547.50 = 8,266,228,126.92/x
  3. Step 3: Cross multiply
    15,306,758,494.92x = 21,123,326,547.50 × 8,266,228,126.92
  4. Step 4: Simplify right side
    15,306,758,494.92x = 174,610,236,041,019,097,088
  5. Step 5: Solve for x
    x = 174,610,236,041,019,097,088/15,306,758,494.92
  6. Step 6: Final answer
    x = 11,407,394,720.38

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Double scale
Find fourth proportional to 15,306,758,495.92, 21,123,326,548.88 and 8,266,228,127.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.