Home / 12,067,689.80-18,101,534.70-8,241,314.60

Finding the Fourth Proportional to 12,067,689.80, 18,101,534.70 and 8,241,314.60

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Solution

The fourth proportional to 12,067,689.80, 18,101,534.70 and 8,241,314.60 is: 12,361,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,689.80 : 18,101,534.70 = 8,241,314.60 : x
  2. Step 2: Convert to fraction form
    12,067,689.80/18,101,534.70 = 8,241,314.60/x
  3. Step 3: Cross multiply
    12,067,689.80x = 18,101,534.70 × 8,241,314.60
  4. Step 4: Simplify right side
    12,067,689.80x = 149,180,442,205,516.59
  5. Step 5: Solve for x
    x = 149,180,442,205,516.59/12,067,689.80
  6. Step 6: Final answer
    x = 12,361,971.90

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Similar ratio
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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.