Home / 20,736,082.20-31,104,123.30-15,585,259.80

Finding the Fourth Proportional to 20,736,082.20, 31,104,123.30 and 15,585,259.80

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Solution

The fourth proportional to 20,736,082.20, 31,104,123.30 and 15,585,259.80 is: 23,377,889.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,082.20 : 31,104,123.30 = 15,585,259.80 : x
  2. Step 2: Convert to fraction form
    20,736,082.20/31,104,123.30 = 15,585,259.80/x
  3. Step 3: Cross multiply
    20,736,082.20x = 31,104,123.30 × 15,585,259.80
  4. Step 4: Simplify right side
    20,736,082.20x = 484,765,842,481,733.38
  5. Step 5: Solve for x
    x = 484,765,842,481,733.38/20,736,082.20
  6. Step 6: Final answer
    x = 23,377,889.70

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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.