Home / 38,146,882.75-52,643,695.90-20,744,245.78

Finding the Fourth Proportional to 38,146,882.75, 52,643,695.90 and 20,744,245.78

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Solution

The fourth proportional to 38,146,882.75, 52,643,695.90 and 20,744,245.78 is: 28,627,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146,882.75 : 52,643,695.90 = 20,744,245.78 : x
  2. Step 2: Convert to fraction form
    38,146,882.75/52,643,695.90 = 20,744,245.78/x
  3. Step 3: Cross multiply
    38,146,882.75x = 52,643,695.90 × 20,744,245.78
  4. Step 4: Simplify right side
    38,146,882.75x = 1,092,053,766,517,178.38
  5. Step 5: Solve for x
    x = 1,092,053,766,517,178.38/38,146,882.75
  6. Step 6: Final answer
    x = 28,627,601.73

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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.