Home / 13,911,868.60-20,858,082.90-8,229,167.80

Finding the Fourth Proportional to 13,911,868.60, 20,858,082.90 and 8,229,167.80

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Solution

The fourth proportional to 13,911,868.60, 20,858,082.90 and 8,229,167.80 is: 12,338,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,911,868.60 : 20,858,082.90 = 8,229,167.80 : x
  2. Step 2: Convert to fraction form
    13,911,868.60/20,858,082.90 = 8,229,167.80/x
  3. Step 3: Cross multiply
    13,911,868.60x = 20,858,082.90 × 8,229,167.80
  4. Step 4: Simplify right side
    13,911,868.60x = 171,644,664,170,410.59
  5. Step 5: Solve for x
    x = 171,644,664,170,410.59/13,911,868.60
  6. Step 6: Final answer
    x = 12,338,002.11

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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.