Home / 7,247,998.20-10,002,243.90-3,984,868.44

Finding the Fourth Proportional to 7,247,998.20, 10,002,243.90 and 3,984,868.44

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Solution

The fourth proportional to 7,247,998.20, 10,002,243.90 and 3,984,868.44 is: 5,499,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247,998.20 : 10,002,243.90 = 3,984,868.44 : x
  2. Step 2: Convert to fraction form
    7,247,998.20/10,002,243.90 = 3,984,868.44/x
  3. Step 3: Cross multiply
    7,247,998.20x = 10,002,243.90 × 3,984,868.44
  4. Step 4: Simplify right side
    7,247,998.20x = 39,857,626,046,292.52
  5. Step 5: Solve for x
    x = 39,857,626,046,292.52/7,247,998.20
  6. Step 6: Final answer
    x = 5,499,121.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.