Home / 7,487,455.20-11,231,182.80-7,193,522.40

Finding the Fourth Proportional to 7,487,455.20, 11,231,182.80 and 7,193,522.40

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Solution

The fourth proportional to 7,487,455.20, 11,231,182.80 and 7,193,522.40 is: 10,790,283.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,455.20 : 11,231,182.80 = 7,193,522.40 : x
  2. Step 2: Convert to fraction form
    7,487,455.20/11,231,182.80 = 7,193,522.40/x
  3. Step 3: Cross multiply
    7,487,455.20x = 11,231,182.80 × 7,193,522.40
  4. Step 4: Simplify right side
    7,487,455.20x = 80,791,765,050,294.73
  5. Step 5: Solve for x
    x = 80,791,765,050,294.73/7,487,455.20
  6. Step 6: Final answer
    x = 10,790,283.60

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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.