Home / 7,381,142.20-11,071,713.30-5,228,806.15

Finding the Fourth Proportional to 7,381,142.20, 11,071,713.30 and 5,228,806.15

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Solution

The fourth proportional to 7,381,142.20, 11,071,713.30 and 5,228,806.15 is: 7,843,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,142.20 : 11,071,713.30 = 5,228,806.15 : x
  2. Step 2: Convert to fraction form
    7,381,142.20/11,071,713.30 = 5,228,806.15/x
  3. Step 3: Cross multiply
    7,381,142.20x = 11,071,713.30 × 5,228,806.15
  4. Step 4: Simplify right side
    7,381,142.20x = 57,891,842,594,076.80
  5. Step 5: Solve for x
    x = 57,891,842,594,076.80/7,381,142.20
  6. Step 6: Final answer
    x = 7,843,209.23

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.