Home / 13,561,146.70-20,341,720.05-8,175,877.90

Finding the Fourth Proportional to 13,561,146.70, 20,341,720.05 and 8,175,877.90

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Solution

The fourth proportional to 13,561,146.70, 20,341,720.05 and 8,175,877.90 is: 12,263,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,146.70 : 20,341,720.05 = 8,175,877.90 : x
  2. Step 2: Convert to fraction form
    13,561,146.70/20,341,720.05 = 8,175,877.90/x
  3. Step 3: Cross multiply
    13,561,146.70x = 20,341,720.05 × 8,175,877.90
  4. Step 4: Simplify right side
    13,561,146.70x = 166,311,419,404,781.91
  5. Step 5: Solve for x
    x = 166,311,419,404,781.91/13,561,146.70
  6. Step 6: Final answer
    x = 12,263,816.85

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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.