Home / 12,481,811.70-18,722,717.55-11,063,469.30

Finding the Fourth Proportional to 12,481,811.70, 18,722,717.55 and 11,063,469.30

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Solution

The fourth proportional to 12,481,811.70, 18,722,717.55 and 11,063,469.30 is: 16,595,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,811.70 : 18,722,717.55 = 11,063,469.30 : x
  2. Step 2: Convert to fraction form
    12,481,811.70/18,722,717.55 = 11,063,469.30/x
  3. Step 3: Cross multiply
    12,481,811.70x = 18,722,717.55 × 11,063,469.30
  4. Step 4: Simplify right side
    12,481,811.70x = 207,138,210,826,996.25
  5. Step 5: Solve for x
    x = 207,138,210,826,996.25/12,481,811.70
  6. Step 6: Final answer
    x = 16,595,203.95

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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.