Home / 11,589,138.80-17,383,708.20-8,443,410.80

Finding the Fourth Proportional to 11,589,138.80, 17,383,708.20 and 8,443,410.80

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Solution

The fourth proportional to 11,589,138.80, 17,383,708.20 and 8,443,410.80 is: 12,665,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589,138.80 : 17,383,708.20 = 8,443,410.80 : x
  2. Step 2: Convert to fraction form
    11,589,138.80/17,383,708.20 = 8,443,410.80/x
  3. Step 3: Cross multiply
    11,589,138.80x = 17,383,708.20 × 8,443,410.80
  4. Step 4: Simplify right side
    11,589,138.80x = 146,777,789,559,928.56
  5. Step 5: Solve for x
    x = 146,777,789,559,928.56/11,589,138.80
  6. Step 6: Final answer
    x = 12,665,116.20

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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.