Home / 12,468,040.60-18,702,644.10-3,949,043.80

Finding the Fourth Proportional to 12,468,040.60, 18,702,644.10 and 3,949,043.80

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Solution

The fourth proportional to 12,468,040.60, 18,702,644.10 and 3,949,043.80 is: 5,923,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468,040.60 : 18,702,644.10 = 3,949,043.80 : x
  2. Step 2: Convert to fraction form
    12,468,040.60/18,702,644.10 = 3,949,043.80/x
  3. Step 3: Cross multiply
    12,468,040.60x = 18,702,644.10 × 3,949,043.80
  4. Step 4: Simplify right side
    12,468,040.60x = 73,857,560,726,711.58
  5. Step 5: Solve for x
    x = 73,857,560,726,711.58/12,468,040.60
  6. Step 6: Final answer
    x = 5,923,750.42

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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.