Home / 15,149,923.20-20,906,737.20-8,274,405.60

Finding the Fourth Proportional to 15,149,923.20, 20,906,737.20 and 8,274,405.60

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Solution

The fourth proportional to 15,149,923.20, 20,906,737.20 and 8,274,405.60 is: 11,418,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,149,923.20 : 20,906,737.20 = 8,274,405.60 : x
  2. Step 2: Convert to fraction form
    15,149,923.20/20,906,737.20 = 8,274,405.60/x
  3. Step 3: Cross multiply
    15,149,923.20x = 20,906,737.20 × 8,274,405.60
  4. Step 4: Simplify right side
    15,149,923.20x = 172,990,823,365,408.31
  5. Step 5: Solve for x
    x = 172,990,823,365,408.31/15,149,923.20
  6. Step 6: Final answer
    x = 11,418,594.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.