Home / 7,145,861.26-9,861,168.80-3,882,726.22

Finding the Fourth Proportional to 7,145,861.26, 9,861,168.80 and 3,882,726.22

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Solution

The fourth proportional to 7,145,861.26, 9,861,168.80 and 3,882,726.22 is: 5,358,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,861.26 : 9,861,168.80 = 3,882,726.22 : x
  2. Step 2: Convert to fraction form
    7,145,861.26/9,861,168.80 = 3,882,726.22/x
  3. Step 3: Cross multiply
    7,145,861.26x = 9,861,168.80 × 3,882,726.22
  4. Step 4: Simplify right side
    7,145,861.26x = 38,288,218,659,605.94
  5. Step 5: Solve for x
    x = 38,288,218,659,605.94/7,145,861.26
  6. Step 6: Final answer
    x = 5,358,097.12

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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.