Home / 7,145,859.26-9,861,166.05-3,882,724.22

Finding the Fourth Proportional to 7,145,859.26, 9,861,166.05 and 3,882,724.22

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Solution

The fourth proportional to 7,145,859.26, 9,861,166.05 and 3,882,724.22 is: 5,358,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,859.26 : 9,861,166.05 = 3,882,724.22 : x
  2. Step 2: Convert to fraction form
    7,145,859.26/9,861,166.05 = 3,882,724.22/x
  3. Step 3: Cross multiply
    7,145,859.26x = 9,861,166.05 × 3,882,724.22
  4. Step 4: Simplify right side
    7,145,859.26x = 38,288,188,259,776.73
  5. Step 5: Solve for x
    x = 38,288,188,259,776.73/7,145,859.26
  6. Step 6: Final answer
    x = 5,358,094.37

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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.