Home / 12,689,446.76-17,511,458.74-6,888,232.44

Finding the Fourth Proportional to 12,689,446.76, 17,511,458.74 and 6,888,232.44

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Solution

The fourth proportional to 12,689,446.76, 17,511,458.74 and 6,888,232.44 is: 9,505,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,689,446.76 : 17,511,458.74 = 6,888,232.44 : x
  2. Step 2: Convert to fraction form
    12,689,446.76/17,511,458.74 = 6,888,232.44/x
  3. Step 3: Cross multiply
    12,689,446.76x = 17,511,458.74 × 6,888,232.44
  4. Step 4: Simplify right side
    12,689,446.76x = 120,622,998,164,589.52
  5. Step 5: Solve for x
    x = 120,622,998,164,589.52/12,689,446.76
  6. Step 6: Final answer
    x = 9,505,772.82

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.