Home / 13,801,910.80-20,687,314.20-6,616,886.80

Finding the Fourth Proportional to 13,801,910.80, 20,687,314.20 and 6,616,886.80

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Solution

The fourth proportional to 13,801,910.80, 20,687,314.20 and 6,616,886.80 is: 9,917,874.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801,910.80 : 20,687,314.20 = 6,616,886.80 : x
  2. Step 2: Convert to fraction form
    13,801,910.80/20,687,314.20 = 6,616,886.80/x
  3. Step 3: Cross multiply
    13,801,910.80x = 20,687,314.20 × 6,616,886.80
  4. Step 4: Simplify right side
    13,801,910.80x = 136,885,616,257,432.55
  5. Step 5: Solve for x
    x = 136,885,616,257,432.55/13,801,910.80
  6. Step 6: Final answer
    x = 9,917,874.29

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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.