Home / 8,300,965.17-12,425,909.72-5,416,120.22

Finding the Fourth Proportional to 8,300,965.17, 12,425,909.72 and 5,416,120.22

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Solution

The fourth proportional to 8,300,965.17, 12,425,909.72 and 5,416,120.22 is: 8,107,517.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300,965.17 : 12,425,909.72 = 5,416,120.22 : x
  2. Step 2: Convert to fraction form
    8,300,965.17/12,425,909.72 = 5,416,120.22/x
  3. Step 3: Cross multiply
    8,300,965.17x = 12,425,909.72 × 5,416,120.22
  4. Step 4: Simplify right side
    8,300,965.17x = 67,300,220,797,176.38
  5. Step 5: Solve for x
    x = 67,300,220,797,176.38/8,300,965.17
  6. Step 6: Final answer
    x = 8,107,517.55

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1.5x scale

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.