Home / 12,387,615.40-18,581,423.10-8,082,943.30

Finding the Fourth Proportional to 12,387,615.40, 18,581,423.10 and 8,082,943.30

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Solution

The fourth proportional to 12,387,615.40, 18,581,423.10 and 8,082,943.30 is: 12,124,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,387,615.40 : 18,581,423.10 = 8,082,943.30 : x
  2. Step 2: Convert to fraction form
    12,387,615.40/18,581,423.10 = 8,082,943.30/x
  3. Step 3: Cross multiply
    12,387,615.40x = 18,581,423.10 × 8,082,943.30
  4. Step 4: Simplify right side
    12,387,615.40x = 150,192,589,350,610.25
  5. Step 5: Solve for x
    x = 150,192,589,350,610.25/12,387,615.40
  6. Step 6: Final answer
    x = 12,124,414.95

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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.