Home / 40,123,945.68-55,371,686.04-22,719,819.12

Finding the Fourth Proportional to 40,123,945.68, 55,371,686.04 and 22,719,819.12

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Solution

The fourth proportional to 40,123,945.68, 55,371,686.04 and 22,719,819.12 is: 31,353,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123,945.68 : 55,371,686.04 = 22,719,819.12 : x
  2. Step 2: Convert to fraction form
    40,123,945.68/55,371,686.04 = 22,719,819.12/x
  3. Step 3: Cross multiply
    40,123,945.68x = 55,371,686.04 × 22,719,819.12
  4. Step 4: Simplify right side
    40,123,945.68x = 1,258,034,691,198,229
  5. Step 5: Solve for x
    x = 1,258,034,691,198,229/40,123,945.68
  6. Step 6: Final answer
    x = 31,353,713.35

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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.