Home / 8,805,613.80-13,208,420.70-3,126,412.20

Finding the Fourth Proportional to 8,805,613.80, 13,208,420.70 and 3,126,412.20

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Solution

The fourth proportional to 8,805,613.80, 13,208,420.70 and 3,126,412.20 is: 4,689,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,613.80 : 13,208,420.70 = 3,126,412.20 : x
  2. Step 2: Convert to fraction form
    8,805,613.80/13,208,420.70 = 3,126,412.20/x
  3. Step 3: Cross multiply
    8,805,613.80x = 13,208,420.70 × 3,126,412.20
  4. Step 4: Simplify right side
    8,805,613.80x = 41,294,967,619,212.54
  5. Step 5: Solve for x
    x = 41,294,967,619,212.54/8,805,613.80
  6. Step 6: Final answer
    x = 4,689,618.30

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.