Home / 8,926,729.30-12,154,082.68-8,898,385.78

Finding the Fourth Proportional to 8,926,729.30, 12,154,082.68 and 8,898,385.78

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Solution

The fourth proportional to 8,926,729.30, 12,154,082.68 and 8,898,385.78 is: 12,115,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926,729.30 : 12,154,082.68 = 8,898,385.78 : x
  2. Step 2: Convert to fraction form
    8,926,729.30/12,154,082.68 = 8,898,385.78/x
  3. Step 3: Cross multiply
    8,926,729.30x = 12,154,082.68 × 8,898,385.78
  4. Step 4: Simplify right side
    8,926,729.30x = 108,151,716,488,656.28
  5. Step 5: Solve for x
    x = 108,151,716,488,656.28/8,926,729.30
  6. Step 6: Final answer
    x = 12,115,491.90

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.