Home / 8,045,129.45-12,067,694.18-5,494,212.65

Finding the Fourth Proportional to 8,045,129.45, 12,067,694.18 and 5,494,212.65

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Solution

The fourth proportional to 8,045,129.45, 12,067,694.18 and 5,494,212.65 is: 8,241,318.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045,129.45 : 12,067,694.18 = 5,494,212.65 : x
  2. Step 2: Convert to fraction form
    8,045,129.45/12,067,694.18 = 5,494,212.65/x
  3. Step 3: Cross multiply
    8,045,129.45x = 12,067,694.18 × 5,494,212.65
  4. Step 4: Simplify right side
    8,045,129.45x = 66,302,478,020,087.38
  5. Step 5: Solve for x
    x = 66,302,478,020,087.38/8,045,129.45
  6. Step 6: Final answer
    x = 8,241,318.98

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Double scale
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Similar ratio
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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.