Home / 20,549,144.68-30,825,153.15-8,253,108.97

Finding the Fourth Proportional to 20,549,144.68, 30,825,153.15 and 8,253,108.97

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Solution

The fourth proportional to 20,549,144.68, 30,825,153.15 and 8,253,108.97 is: 12,380,240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549,144.68 : 30,825,153.15 = 8,253,108.97 : x
  2. Step 2: Convert to fraction form
    20,549,144.68/30,825,153.15 = 8,253,108.97/x
  3. Step 3: Cross multiply
    20,549,144.68x = 30,825,153.15 × 8,253,108.97
  4. Step 4: Simplify right side
    20,549,144.68x = 254,403,347,855,876.72
  5. Step 5: Solve for x
    x = 254,403,347,855,876.72/20,549,144.68
  6. Step 6: Final answer
    x = 12,380,240.24

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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.