Home / 11,589,136.80-17,383,705.20-8,443,408.80

Finding the Fourth Proportional to 11,589,136.80, 17,383,705.20 and 8,443,408.80

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Solution

The fourth proportional to 11,589,136.80, 17,383,705.20 and 8,443,408.80 is: 12,665,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,589,136.80 : 17,383,705.20 = 8,443,408.80 : x
  2. Step 2: Convert to fraction form
    11,589,136.80/17,383,705.20 = 8,443,408.80/x
  3. Step 3: Cross multiply
    11,589,136.80x = 17,383,705.20 × 8,443,408.80
  4. Step 4: Simplify right side
    11,589,136.80x = 146,777,729,462,285.78
  5. Step 5: Solve for x
    x = 146,777,729,462,285.78/11,589,136.80
  6. Step 6: Final answer
    x = 12,665,113.20

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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.