Home / 10,992,357.20-16,488,535.80-8,122,575.80

Finding the Fourth Proportional to 10,992,357.20, 16,488,535.80 and 8,122,575.80

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Solution

The fourth proportional to 10,992,357.20, 16,488,535.80 and 8,122,575.80 is: 12,183,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,357.20 : 16,488,535.80 = 8,122,575.80 : x
  2. Step 2: Convert to fraction form
    10,992,357.20/16,488,535.80 = 8,122,575.80/x
  3. Step 3: Cross multiply
    10,992,357.20x = 16,488,535.80 × 8,122,575.80
  4. Step 4: Simplify right side
    10,992,357.20x = 133,929,381,866,513.64
  5. Step 5: Solve for x
    x = 133,929,381,866,513.64/10,992,357.20
  6. Step 6: Final answer
    x = 12,183,863.70

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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.