Home / 12,052,178.20-18,078,414.30-3,532,686.88

Finding the Fourth Proportional to 12,052,178.20, 18,078,414.30 and 3,532,686.88

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Solution

The fourth proportional to 12,052,178.20, 18,078,414.30 and 3,532,686.88 is: 5,299,073.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052,178.20 : 18,078,414.30 = 3,532,686.88 : x
  2. Step 2: Convert to fraction form
    12,052,178.20/18,078,414.30 = 3,532,686.88/x
  3. Step 3: Cross multiply
    12,052,178.20x = 18,078,414.30 × 3,532,686.88
  4. Step 4: Simplify right side
    12,052,178.20x = 63,865,377,008,814.38
  5. Step 5: Solve for x
    x = 63,865,377,008,814.38/12,052,178.20
  6. Step 6: Final answer
    x = 5,299,073.41

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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.