Home / 8,656,288.10-12,984,432.15-8,325,613.70

Finding the Fourth Proportional to 8,656,288.10, 12,984,432.15 and 8,325,613.70

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Solution

The fourth proportional to 8,656,288.10, 12,984,432.15 and 8,325,613.70 is: 12,488,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,288.10 : 12,984,432.15 = 8,325,613.70 : x
  2. Step 2: Convert to fraction form
    8,656,288.10/12,984,432.15 = 8,325,613.70/x
  3. Step 3: Cross multiply
    8,656,288.10x = 12,984,432.15 × 8,325,613.70
  4. Step 4: Simplify right side
    8,656,288.10x = 108,103,366,194,760.45
  5. Step 5: Solve for x
    x = 108,103,366,194,760.45/8,656,288.10
  6. Step 6: Final answer
    x = 12,488,420.55

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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.