Home / 38,068,821.66-57,124,829.19-20,561,162.16

Finding the Fourth Proportional to 38,068,821.66, 57,124,829.19 and 20,561,162.16

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Solution

The fourth proportional to 38,068,821.66, 57,124,829.19 and 20,561,162.16 is: 30,853,407.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,068,821.66 : 57,124,829.19 = 20,561,162.16 : x
  2. Step 2: Convert to fraction form
    38,068,821.66/57,124,829.19 = 20,561,162.16/x
  3. Step 3: Cross multiply
    38,068,821.66x = 57,124,829.19 × 20,561,162.16
  4. Step 4: Simplify right side
    38,068,821.66x = 1,174,552,876,337,891.50
  5. Step 5: Solve for x
    x = 1,174,552,876,337,891.50/38,068,821.66
  6. Step 6: Final answer
    x = 30,853,407.73

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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.