Home / 20,860,600.76-28,789,404.24-11,695,015.04

Finding the Fourth Proportional to 20,860,600.76, 28,789,404.24 and 11,695,015.04

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Solution

The fourth proportional to 20,860,600.76, 28,789,404.24 and 11,695,015.04 is: 16,140,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,860,600.76 : 28,789,404.24 = 11,695,015.04 : x
  2. Step 2: Convert to fraction form
    20,860,600.76/28,789,404.24 = 11,695,015.04/x
  3. Step 3: Cross multiply
    20,860,600.76x = 28,789,404.24 × 11,695,015.04
  4. Step 4: Simplify right side
    20,860,600.76x = 336,692,515,579,439.75
  5. Step 5: Solve for x
    x = 336,692,515,579,439.75/20,860,600.76
  6. Step 6: Final answer
    x = 16,140,115.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.