Home / 27,516,098.20-41,274,147.30-21,158,440.60

Finding the Fourth Proportional to 27,516,098.20, 41,274,147.30 and 21,158,440.60

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Solution

The fourth proportional to 27,516,098.20, 41,274,147.30 and 21,158,440.60 is: 31,737,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516,098.20 : 41,274,147.30 = 21,158,440.60 : x
  2. Step 2: Convert to fraction form
    27,516,098.20/41,274,147.30 = 21,158,440.60/x
  3. Step 3: Cross multiply
    27,516,098.20x = 41,274,147.30 × 21,158,440.60
  4. Step 4: Simplify right side
    27,516,098.20x = 873,296,593,962,700.38
  5. Step 5: Solve for x
    x = 873,296,593,962,700.38/27,516,098.20
  6. Step 6: Final answer
    x = 31,737,660.90

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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.