Home / 42,413,044.12-63,617,789.22-13,658,543.08

Finding the Fourth Proportional to 42,413,044.12, 63,617,789.22 and 13,658,543.08

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Solution

The fourth proportional to 42,413,044.12, 63,617,789.22 and 13,658,543.08 is: 20,487,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,413,044.12 : 63,617,789.22 = 13,658,543.08 : x
  2. Step 2: Convert to fraction form
    42,413,044.12/63,617,789.22 = 13,658,543.08/x
  3. Step 3: Cross multiply
    42,413,044.12x = 63,617,789.22 × 13,658,543.08
  4. Step 4: Simplify right side
    42,413,044.12x = 868,926,314,715,729.62
  5. Step 5: Solve for x
    x = 868,926,314,715,729.62/42,413,044.12
  6. Step 6: Final answer
    x = 20,487,242.37

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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.