Home / 12,151,189.62-18,229,549.23-6,468,419.70

Finding the Fourth Proportional to 12,151,189.62, 18,229,549.23 and 6,468,419.70

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Solution

The fourth proportional to 12,151,189.62, 18,229,549.23 and 6,468,419.70 is: 9,704,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,189.62 : 18,229,549.23 = 6,468,419.70 : x
  2. Step 2: Convert to fraction form
    12,151,189.62/18,229,549.23 = 6,468,419.70/x
  3. Step 3: Cross multiply
    12,151,189.62x = 18,229,549.23 × 6,468,419.70
  4. Step 4: Simplify right side
    12,151,189.62x = 117,916,375,361,451.84
  5. Step 5: Solve for x
    x = 117,916,375,361,451.84/12,151,189.62
  6. Step 6: Final answer
    x = 9,704,101.33

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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.