Home / 13,791,378.12-20,672,872.92-6,118,636.44

Finding the Fourth Proportional to 13,791,378.12, 20,672,872.92 and 6,118,636.44

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Solution

The fourth proportional to 13,791,378.12, 20,672,872.92 and 6,118,636.44 is: 9,171,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791,378.12 : 20,672,872.92 = 6,118,636.44 : x
  2. Step 2: Convert to fraction form
    13,791,378.12/20,672,872.92 = 6,118,636.44/x
  3. Step 3: Cross multiply
    13,791,378.12x = 20,672,872.92 × 6,118,636.44
  4. Step 4: Simplify right side
    13,791,378.12x = 126,489,793,567,801.22
  5. Step 5: Solve for x
    x = 126,489,793,567,801.22/13,791,378.12
  6. Step 6: Final answer
    x = 9,171,657.28

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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.