Home / 8,747,984.20-13,121,976.30-8,216,105.80

Finding the Fourth Proportional to 8,747,984.20, 13,121,976.30 and 8,216,105.80

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Solution

The fourth proportional to 8,747,984.20, 13,121,976.30 and 8,216,105.80 is: 12,324,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747,984.20 : 13,121,976.30 = 8,216,105.80 : x
  2. Step 2: Convert to fraction form
    8,747,984.20/13,121,976.30 = 8,216,105.80/x
  3. Step 3: Cross multiply
    8,747,984.20x = 13,121,976.30 × 8,216,105.80
  4. Step 4: Simplify right side
    8,747,984.20x = 107,811,545,585,892.55
  5. Step 5: Solve for x
    x = 107,811,545,585,892.55/8,747,984.20
  6. Step 6: Final answer
    x = 12,324,158.70

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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.