Home / 7,218,792-9,960,984-4,317,122.88

Finding the Fourth Proportional to 7,218,792, 9,960,984 and 4,317,122.88

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Solution

The fourth proportional to 7,218,792, 9,960,984 and 4,317,122.88 is: 5,957,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,792 : 9,960,984 = 4,317,122.88 : x
  2. Step 2: Convert to fraction form
    7,218,792/9,960,984 = 4,317,122.88/x
  3. Step 3: Cross multiply
    7,218,792x = 9,960,984 × 4,317,122.88
  4. Step 4: Simplify right side
    7,218,792x = 43,002,791,933,713.92
  5. Step 5: Solve for x
    x = 43,002,791,933,713.92/7,218,792
  6. Step 6: Final answer
    x = 5,957,062.06

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Double scale
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1.5x scale

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.