Home / 7,145,812.20-9,861,257.32-3,882,635.27

Finding the Fourth Proportional to 7,145,812.20, 9,861,257.32 and 3,882,635.27

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Solution

The fourth proportional to 7,145,812.20, 9,861,257.32 and 3,882,635.27 is: 5,358,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,812.20 : 9,861,257.32 = 3,882,635.27 : x
  2. Step 2: Convert to fraction form
    7,145,812.20/9,861,257.32 = 3,882,635.27/x
  3. Step 3: Cross multiply
    7,145,812.20x = 9,861,257.32 × 3,882,635.27
  4. Step 4: Simplify right side
    7,145,812.20x = 38,287,665,455,144.52
  5. Step 5: Solve for x
    x = 38,287,665,455,144.52/7,145,812.20
  6. Step 6: Final answer
    x = 5,358,056.49

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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.