Home / 15,306,759,042.71-21,123,327,307.34-8,266,228,674.71

Finding the Fourth Proportional to 15,306,759,042.71, 21,123,327,307.34 and 8,266,228,674.71

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Solution

The fourth proportional to 15,306,759,042.71, 21,123,327,307.34 and 8,266,228,674.71 is: 11,407,395,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,306,759,042.71 : 21,123,327,307.34 = 8,266,228,674.71 : x
  2. Step 2: Convert to fraction form
    15,306,759,042.71/21,123,327,307.34 = 8,266,228,674.71/x
  3. Step 3: Cross multiply
    15,306,759,042.71x = 21,123,327,307.34 × 8,266,228,674.71
  4. Step 4: Simplify right side
    15,306,759,042.71x = 174,610,253,893,129,601,024
  5. Step 5: Solve for x
    x = 174,610,253,893,129,601,024/15,306,759,042.71
  6. Step 6: Final answer
    x = 11,407,395,478.43

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Find fourth proportional to 15,306,759,043.71, 21,123,327,308.72 and 8,266,228,675.71
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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.