Home / 13,606,658.10-20,381,993.55-6,878,862.90

Finding the Fourth Proportional to 13,606,658.10, 20,381,993.55 and 6,878,862.90

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Solution

The fourth proportional to 13,606,658.10, 20,381,993.55 and 6,878,862.90 is: 10,304,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,606,658.10 : 20,381,993.55 = 6,878,862.90 : x
  2. Step 2: Convert to fraction form
    13,606,658.10/20,381,993.55 = 6,878,862.90/x
  3. Step 3: Cross multiply
    13,606,658.10x = 20,381,993.55 × 6,878,862.90
  4. Step 4: Simplify right side
    13,606,658.10x = 140,204,939,259,134.31
  5. Step 5: Solve for x
    x = 140,204,939,259,134.31/13,606,658.10
  6. Step 6: Final answer
    x = 10,304,142.15

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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.