Home / 10,992,337.20-16,488,505.80-8,122,555.80

Finding the Fourth Proportional to 10,992,337.20, 16,488,505.80 and 8,122,555.80

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Solution

The fourth proportional to 10,992,337.20, 16,488,505.80 and 8,122,555.80 is: 12,183,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,337.20 : 16,488,505.80 = 8,122,555.80 : x
  2. Step 2: Convert to fraction form
    10,992,337.20/16,488,505.80 = 8,122,555.80/x
  3. Step 3: Cross multiply
    10,992,337.20x = 16,488,505.80 × 8,122,555.80
  4. Step 4: Simplify right side
    10,992,337.20x = 133,928,808,419,123.64
  5. Step 5: Solve for x
    x = 133,928,808,419,123.64/10,992,337.20
  6. Step 6: Final answer
    x = 12,183,833.70

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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.