Home / 22,145,424.15-33,218,136.23-12,420,053.85

Finding the Fourth Proportional to 22,145,424.15, 33,218,136.23 and 12,420,053.85

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Solution

The fourth proportional to 22,145,424.15, 33,218,136.23 and 12,420,053.85 is: 18,630,080.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,424.15 : 33,218,136.23 = 12,420,053.85 : x
  2. Step 2: Convert to fraction form
    22,145,424.15/33,218,136.23 = 12,420,053.85/x
  3. Step 3: Cross multiply
    22,145,424.15x = 33,218,136.23 × 12,420,053.85
  4. Step 4: Simplify right side
    22,145,424.15x = 412,571,040,711,135.75
  5. Step 5: Solve for x
    x = 412,571,040,711,135.75/22,145,424.15
  6. Step 6: Final answer
    x = 18,630,080.78

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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.