Home / 13,860,494.36-20,689,221.82-12,224,268.44

Finding the Fourth Proportional to 13,860,494.36, 20,689,221.82 and 12,224,268.44

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Solution

The fourth proportional to 13,860,494.36, 20,689,221.82 and 12,224,268.44 is: 18,246,867.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,494.36 : 20,689,221.82 = 12,224,268.44 : x
  2. Step 2: Convert to fraction form
    13,860,494.36/20,689,221.82 = 12,224,268.44/x
  3. Step 3: Cross multiply
    13,860,494.36x = 20,689,221.82 × 12,224,268.44
  4. Step 4: Simplify right side
    13,860,494.36x = 252,910,601,342,385.34
  5. Step 5: Solve for x
    x = 252,910,601,342,385.34/13,860,494.36
  6. Step 6: Final answer
    x = 18,246,867.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.