Home / 25,591,998.80-38,387,998.20-8,320,166.30

Finding the Fourth Proportional to 25,591,998.80, 38,387,998.20 and 8,320,166.30

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Solution

The fourth proportional to 25,591,998.80, 38,387,998.20 and 8,320,166.30 is: 12,480,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,591,998.80 : 38,387,998.20 = 8,320,166.30 : x
  2. Step 2: Convert to fraction form
    25,591,998.80/38,387,998.20 = 8,320,166.30/x
  3. Step 3: Cross multiply
    25,591,998.80x = 38,387,998.20 × 8,320,166.30
  4. Step 4: Simplify right side
    25,591,998.80x = 319,394,528,948,100.69
  5. Step 5: Solve for x
    x = 319,394,528,948,100.69/25,591,998.80
  6. Step 6: Final answer
    x = 12,480,249.45

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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.