Home / 13,626,575.88-20,378,511.18-12,119,120.52

Finding the Fourth Proportional to 13,626,575.88, 20,378,511.18 and 12,119,120.52

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Solution

The fourth proportional to 13,626,575.88, 20,378,511.18 and 12,119,120.52 is: 18,124,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,626,575.88 : 20,378,511.18 = 12,119,120.52 : x
  2. Step 2: Convert to fraction form
    13,626,575.88/20,378,511.18 = 12,119,120.52/x
  3. Step 3: Cross multiply
    13,626,575.88x = 20,378,511.18 × 12,119,120.52
  4. Step 4: Simplify right side
    13,626,575.88x = 246,969,633,008,587.41
  5. Step 5: Solve for x
    x = 246,969,633,008,587.41/13,626,575.88
  6. Step 6: Final answer
    x = 18,124,115.35

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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.