Home / 38,125,542.80-52,613,781.72-20,721,882.80

Finding the Fourth Proportional to 38,125,542.80, 52,613,781.72 and 20,721,882.80

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Solution

The fourth proportional to 38,125,542.80, 52,613,781.72 and 20,721,882.80 is: 28,596,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,125,542.80 : 52,613,781.72 = 20,721,882.80 : x
  2. Step 2: Convert to fraction form
    38,125,542.80/52,613,781.72 = 20,721,882.80/x
  3. Step 3: Cross multiply
    38,125,542.80x = 52,613,781.72 × 20,721,882.80
  4. Step 4: Simplify right side
    38,125,542.80x = 1,090,256,618,466,622.38
  5. Step 5: Solve for x
    x = 1,090,256,618,466,622.38/38,125,542.80
  6. Step 6: Final answer
    x = 28,596,487.77

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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.