Home / 15,898,499.20-21,940,011.84-8,655,207.04

Finding the Fourth Proportional to 15,898,499.20, 21,940,011.84 and 8,655,207.04

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Solution

The fourth proportional to 15,898,499.20, 21,940,011.84 and 8,655,207.04 is: 11,944,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,898,499.20 : 21,940,011.84 = 8,655,207.04 : x
  2. Step 2: Convert to fraction form
    15,898,499.20/21,940,011.84 = 8,655,207.04/x
  3. Step 3: Cross multiply
    15,898,499.20x = 21,940,011.84 × 8,655,207.04
  4. Step 4: Simplify right side
    15,898,499.20x = 189,895,344,935,251.34
  5. Step 5: Solve for x
    x = 189,895,344,935,251.34/15,898,499.20
  6. Step 6: Final answer
    x = 11,944,230.87

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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.