Home / 18,134,634.40-27,189,325.68-8,031,778.72

Finding the Fourth Proportional to 18,134,634.40, 27,189,325.68 and 8,031,778.72

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Solution

The fourth proportional to 18,134,634.40, 27,189,325.68 and 8,031,778.72 is: 12,042,076.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,134,634.40 : 27,189,325.68 = 8,031,778.72 : x
  2. Step 2: Convert to fraction form
    18,134,634.40/27,189,325.68 = 8,031,778.72/x
  3. Step 3: Cross multiply
    18,134,634.40x = 27,189,325.68 × 8,031,778.72
  4. Step 4: Simplify right side
    18,134,634.40x = 218,378,647,407,773.53
  5. Step 5: Solve for x
    x = 218,378,647,407,773.53/18,134,634.40
  6. Step 6: Final answer
    x = 12,042,076.10

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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.