Home / 13,609,139.10-20,413,708.65-9,074,175.90

Finding the Fourth Proportional to 13,609,139.10, 20,413,708.65 and 9,074,175.90

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Solution

The fourth proportional to 13,609,139.10, 20,413,708.65 and 9,074,175.90 is: 13,611,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,609,139.10 : 20,413,708.65 = 9,074,175.90 : x
  2. Step 2: Convert to fraction form
    13,609,139.10/20,413,708.65 = 9,074,175.90/x
  3. Step 3: Cross multiply
    13,609,139.10x = 20,413,708.65 × 9,074,175.90
  4. Step 4: Simplify right side
    13,609,139.10x = 185,237,583,061,451.53
  5. Step 5: Solve for x
    x = 185,237,583,061,451.53/13,609,139.10
  6. Step 6: Final answer
    x = 13,611,263.85

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1.5x scale

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.