Home / 13,366,987.55-20,093,291.85-12,419,251.10

Finding the Fourth Proportional to 13,366,987.55, 20,093,291.85 and 12,419,251.10

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Solution

The fourth proportional to 13,366,987.55, 20,093,291.85 and 12,419,251.10 is: 18,668,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,987.55 : 20,093,291.85 = 12,419,251.10 : x
  2. Step 2: Convert to fraction form
    13,366,987.55/20,093,291.85 = 12,419,251.10/x
  3. Step 3: Cross multiply
    13,366,987.55x = 20,093,291.85 × 12,419,251.10
  4. Step 4: Simplify right side
    13,366,987.55x = 249,543,636,910,733.53
  5. Step 5: Solve for x
    x = 249,543,636,910,733.53/13,366,987.55
  6. Step 6: Final answer
    x = 18,668,651.85

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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.