Home / 8,268,186.20-12,402,279.30-5,982,989.90

Finding the Fourth Proportional to 8,268,186.20, 12,402,279.30 and 5,982,989.90

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Solution

The fourth proportional to 8,268,186.20, 12,402,279.30 and 5,982,989.90 is: 8,974,484.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,268,186.20 : 12,402,279.30 = 5,982,989.90 : x
  2. Step 2: Convert to fraction form
    8,268,186.20/12,402,279.30 = 5,982,989.90/x
  3. Step 3: Cross multiply
    8,268,186.20x = 12,402,279.30 × 5,982,989.90
  4. Step 4: Simplify right side
    8,268,186.20x = 74,202,711,788,879.08
  5. Step 5: Solve for x
    x = 74,202,711,788,879.08/8,268,186.20
  6. Step 6: Final answer
    x = 8,974,484.85

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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.