Home / 21,952,082.30-32,928,123.45-20,720,363.90

Finding the Fourth Proportional to 21,952,082.30, 32,928,123.45 and 20,720,363.90

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Solution

The fourth proportional to 21,952,082.30, 32,928,123.45 and 20,720,363.90 is: 31,080,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,952,082.30 : 32,928,123.45 = 20,720,363.90 : x
  2. Step 2: Convert to fraction form
    21,952,082.30/32,928,123.45 = 20,720,363.90/x
  3. Step 3: Cross multiply
    21,952,082.30x = 32,928,123.45 × 20,720,363.90
  4. Step 4: Simplify right side
    21,952,082.30x = 682,282,700,428,123.38
  5. Step 5: Solve for x
    x = 682,282,700,428,123.38/21,952,082.30
  6. Step 6: Final answer
    x = 31,080,545.85

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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.