Home / 12,480,943.20-18,721,414.80-11,063,767.20

Finding the Fourth Proportional to 12,480,943.20, 18,721,414.80 and 11,063,767.20

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Solution

The fourth proportional to 12,480,943.20, 18,721,414.80 and 11,063,767.20 is: 16,595,650.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,943.20 : 18,721,414.80 = 11,063,767.20 : x
  2. Step 2: Convert to fraction form
    12,480,943.20/18,721,414.80 = 11,063,767.20/x
  3. Step 3: Cross multiply
    12,480,943.20x = 18,721,414.80 × 11,063,767.20
  4. Step 4: Simplify right side
    12,480,943.20x = 207,129,375,001,834.56
  5. Step 5: Solve for x
    x = 207,129,375,001,834.56/12,480,943.20
  6. Step 6: Final answer
    x = 16,595,650.80

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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.