Home / 18,375,545.76-27,561,219.12-4,913,423.52

Finding the Fourth Proportional to 18,375,545.76, 27,561,219.12 and 4,913,423.52

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Solution

The fourth proportional to 18,375,545.76, 27,561,219.12 and 4,913,423.52 is: 7,369,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,375,545.76 : 27,561,219.12 = 4,913,423.52 : x
  2. Step 2: Convert to fraction form
    18,375,545.76/27,561,219.12 = 4,913,423.52/x
  3. Step 3: Cross multiply
    18,375,545.76x = 27,561,219.12 × 4,913,423.52
  4. Step 4: Simplify right side
    18,375,545.76x = 135,419,942,264,081.69
  5. Step 5: Solve for x
    x = 135,419,942,264,081.69/18,375,545.76
  6. Step 6: Final answer
    x = 7,369,573.89

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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.