Home / 17,280,108.80-25,920,163.20-12,801,132.80

Finding the Fourth Proportional to 17,280,108.80, 25,920,163.20 and 12,801,132.80

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Solution

The fourth proportional to 17,280,108.80, 25,920,163.20 and 12,801,132.80 is: 19,201,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,280,108.80 : 25,920,163.20 = 12,801,132.80 : x
  2. Step 2: Convert to fraction form
    17,280,108.80/25,920,163.20 = 12,801,132.80/x
  3. Step 3: Cross multiply
    17,280,108.80x = 25,920,163.20 × 12,801,132.80
  4. Step 4: Simplify right side
    17,280,108.80x = 331,807,451,320,873
  5. Step 5: Solve for x
    x = 331,807,451,320,873/17,280,108.80
  6. Step 6: Final answer
    x = 19,201,699.20

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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.