Home / 18,722,405.90-28,083,608.85-16,632,217.10

Finding the Fourth Proportional to 18,722,405.90, 28,083,608.85 and 16,632,217.10

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Solution

The fourth proportional to 18,722,405.90, 28,083,608.85 and 16,632,217.10 is: 24,948,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,405.90 : 28,083,608.85 = 16,632,217.10 : x
  2. Step 2: Convert to fraction form
    18,722,405.90/28,083,608.85 = 16,632,217.10/x
  3. Step 3: Cross multiply
    18,722,405.90x = 28,083,608.85 × 16,632,217.10
  4. Step 4: Simplify right side
    18,722,405.90x = 467,092,679,344,681.38
  5. Step 5: Solve for x
    x = 467,092,679,344,681.38/18,722,405.90
  6. Step 6: Final answer
    x = 24,948,325.65

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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.