Home / 19,440,156.60-29,160,234.90-15,661,020.60

Finding the Fourth Proportional to 19,440,156.60, 29,160,234.90 and 15,661,020.60

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Solution

The fourth proportional to 19,440,156.60, 29,160,234.90 and 15,661,020.60 is: 23,491,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,156.60 : 29,160,234.90 = 15,661,020.60 : x
  2. Step 2: Convert to fraction form
    19,440,156.60/29,160,234.90 = 15,661,020.60/x
  3. Step 3: Cross multiply
    19,440,156.60x = 29,160,234.90 × 15,661,020.60
  4. Step 4: Simplify right side
    19,440,156.60x = 456,679,039,469,738.88
  5. Step 5: Solve for x
    x = 456,679,039,469,738.88/19,440,156.60
  6. Step 6: Final answer
    x = 23,491,530.90

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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.