Home / 22,145,879.20-33,183,049.20-12,532,669.60

Finding the Fourth Proportional to 22,145,879.20, 33,183,049.20 and 12,532,669.60

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Solution

The fourth proportional to 22,145,879.20, 33,183,049.20 and 12,532,669.60 is: 18,778,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,879.20 : 33,183,049.20 = 12,532,669.60 : x
  2. Step 2: Convert to fraction form
    22,145,879.20/33,183,049.20 = 12,532,669.60/x
  3. Step 3: Cross multiply
    22,145,879.20x = 33,183,049.20 × 12,532,669.60
  4. Step 4: Simplify right side
    22,145,879.20x = 415,872,191,944,144.31
  5. Step 5: Solve for x
    x = 415,872,191,944,144.31/22,145,879.20
  6. Step 6: Final answer
    x = 18,778,761.87

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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.