Home / 13,377,218.10-20,065,827.15-12,481,422.90

Finding the Fourth Proportional to 13,377,218.10, 20,065,827.15 and 12,481,422.90

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Solution

The fourth proportional to 13,377,218.10, 20,065,827.15 and 12,481,422.90 is: 18,722,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,218.10 : 20,065,827.15 = 12,481,422.90 : x
  2. Step 2: Convert to fraction form
    13,377,218.10/20,065,827.15 = 12,481,422.90/x
  3. Step 3: Cross multiply
    13,377,218.10x = 20,065,827.15 × 12,481,422.90
  4. Step 4: Simplify right side
    13,377,218.10x = 250,450,074,497,451.72
  5. Step 5: Solve for x
    x = 250,450,074,497,451.72/13,377,218.10
  6. Step 6: Final answer
    x = 18,722,134.35

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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.