Home / 7,438,191.40-11,157,287.10-7,382,204.20

Finding the Fourth Proportional to 7,438,191.40, 11,157,287.10 and 7,382,204.20

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Solution

The fourth proportional to 7,438,191.40, 11,157,287.10 and 7,382,204.20 is: 11,073,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,191.40 : 11,157,287.10 = 7,382,204.20 : x
  2. Step 2: Convert to fraction form
    7,438,191.40/11,157,287.10 = 7,382,204.20/x
  3. Step 3: Cross multiply
    7,438,191.40x = 11,157,287.10 × 7,382,204.20
  4. Step 4: Simplify right side
    7,438,191.40x = 82,365,371,690,225.81
  5. Step 5: Solve for x
    x = 82,365,371,690,225.81/7,438,191.40
  6. Step 6: Final answer
    x = 11,073,306.30

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Double scale
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Similar ratio
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1.5x scale

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.