Home / 39,858,082.20-59,787,123.30-12,931,738.20

Finding the Fourth Proportional to 39,858,082.20, 59,787,123.30 and 12,931,738.20

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Solution

The fourth proportional to 39,858,082.20, 59,787,123.30 and 12,931,738.20 is: 19,397,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,858,082.20 : 59,787,123.30 = 12,931,738.20 : x
  2. Step 2: Convert to fraction form
    39,858,082.20/59,787,123.30 = 12,931,738.20/x
  3. Step 3: Cross multiply
    39,858,082.20x = 59,787,123.30 × 12,931,738.20
  4. Step 4: Simplify right side
    39,858,082.20x = 773,151,426,246,720
  5. Step 5: Solve for x
    x = 773,151,426,246,720/39,858,082.20
  6. Step 6: Final answer
    x = 19,397,607.30

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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.