Home / 8,474,631-12,717,545.22-3,987,256.92

Finding the Fourth Proportional to 8,474,631, 12,717,545.22 and 3,987,256.92

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Solution

The fourth proportional to 8,474,631, 12,717,545.22 and 3,987,256.92 is: 5,983,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,631 : 12,717,545.22 = 3,987,256.92 : x
  2. Step 2: Convert to fraction form
    8,474,631/12,717,545.22 = 3,987,256.92/x
  3. Step 3: Cross multiply
    8,474,631x = 12,717,545.22 × 3,987,256.92
  4. Step 4: Simplify right side
    8,474,631x = 50,708,120,183,857.92
  5. Step 5: Solve for x
    x = 50,708,120,183,857.92/8,474,631
  6. Step 6: Final answer
    x = 5,983,519.54

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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.