Home / 21,314,412.38-29,413,909.96-11,524,854.04

Finding the Fourth Proportional to 21,314,412.38, 29,413,909.96 and 11,524,854.04

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Solution

The fourth proportional to 21,314,412.38, 29,413,909.96 and 11,524,854.04 is: 15,904,309.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,314,412.38 : 29,413,909.96 = 11,524,854.04 : x
  2. Step 2: Convert to fraction form
    21,314,412.38/29,413,909.96 = 11,524,854.04/x
  3. Step 3: Cross multiply
    21,314,412.38x = 29,413,909.96 × 11,524,854.04
  4. Step 4: Simplify right side
    21,314,412.38x = 338,991,018,932,355.31
  5. Step 5: Solve for x
    x = 338,991,018,932,355.31/21,314,412.38
  6. Step 6: Final answer
    x = 15,904,309.86

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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.