Home / 13,609,104.10-20,413,656.15-9,074,140.90

Finding the Fourth Proportional to 13,609,104.10, 20,413,656.15 and 9,074,140.90

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Solution

The fourth proportional to 13,609,104.10, 20,413,656.15 and 9,074,140.90 is: 13,611,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,104.10 : 20,413,656.15 = 9,074,140.90 : x
  2. Step 2: Convert to fraction form
    13,609,104.10/20,413,656.15 = 9,074,140.90/x
  3. Step 3: Cross multiply
    13,609,104.10x = 20,413,656.15 × 9,074,140.90
  4. Step 4: Simplify right side
    13,609,104.10x = 185,236,392,189,251.53
  5. Step 5: Solve for x
    x = 185,236,392,189,251.53/13,609,104.10
  6. Step 6: Final answer
    x = 13,611,211.35

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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.