Home / 12,691,708.14-18,995,462.46-11,557,092.54

Finding the Fourth Proportional to 12,691,708.14, 18,995,462.46 and 11,557,092.54

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Solution

The fourth proportional to 12,691,708.14, 18,995,462.46 and 11,557,092.54 is: 17,297,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691,708.14 : 18,995,462.46 = 11,557,092.54 : x
  2. Step 2: Convert to fraction form
    12,691,708.14/18,995,462.46 = 11,557,092.54/x
  3. Step 3: Cross multiply
    12,691,708.14x = 18,995,462.46 × 11,557,092.54
  4. Step 4: Simplify right side
    12,691,708.14x = 219,532,317,490,316.03
  5. Step 5: Solve for x
    x = 219,532,317,490,316.03/12,691,708.14
  6. Step 6: Final answer
    x = 17,297,302.70

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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.