Home / 17,280,910.80-25,921,366.20-12,521,998.80

Finding the Fourth Proportional to 17,280,910.80, 25,921,366.20 and 12,521,998.80

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Solution

The fourth proportional to 17,280,910.80, 25,921,366.20 and 12,521,998.80 is: 18,782,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280,910.80 : 25,921,366.20 = 12,521,998.80 : x
  2. Step 2: Convert to fraction form
    17,280,910.80/25,921,366.20 = 12,521,998.80/x
  3. Step 3: Cross multiply
    17,280,910.80x = 25,921,366.20 × 12,521,998.80
  4. Step 4: Simplify right side
    17,280,910.80x = 324,587,316,450,760.56
  5. Step 5: Solve for x
    x = 324,587,316,450,760.56/17,280,910.80
  6. Step 6: Final answer
    x = 18,782,998.20

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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.