Home / 13,468,286.60-20,190,620.10-8,079,081.20

Finding the Fourth Proportional to 13,468,286.60, 20,190,620.10 and 8,079,081.20

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Solution

The fourth proportional to 13,468,286.60, 20,190,620.10 and 8,079,081.20 is: 12,111,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,286.60 : 20,190,620.10 = 8,079,081.20 : x
  2. Step 2: Convert to fraction form
    13,468,286.60/20,190,620.10 = 8,079,081.20/x
  3. Step 3: Cross multiply
    13,468,286.60x = 20,190,620.10 × 8,079,081.20
  4. Step 4: Simplify right side
    13,468,286.60x = 163,121,659,266,252.12
  5. Step 5: Solve for x
    x = 163,121,659,266,252.12/13,468,286.60
  6. Step 6: Final answer
    x = 12,111,537.58

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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.