Home / 12,777,350.40-19,166,025.60-8,503,660.80

Finding the Fourth Proportional to 12,777,350.40, 19,166,025.60 and 8,503,660.80

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Solution

The fourth proportional to 12,777,350.40, 19,166,025.60 and 8,503,660.80 is: 12,755,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777,350.40 : 19,166,025.60 = 8,503,660.80 : x
  2. Step 2: Convert to fraction form
    12,777,350.40/19,166,025.60 = 8,503,660.80/x
  3. Step 3: Cross multiply
    12,777,350.40x = 19,166,025.60 × 8,503,660.80
  4. Step 4: Simplify right side
    12,777,350.40x = 162,981,380,586,516.50
  5. Step 5: Solve for x
    x = 162,981,380,586,516.50/12,777,350.40
  6. Step 6: Final answer
    x = 12,755,491.20

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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.