Home / 11,917,436.31-17,876,320.54-3,397,772.78

Finding the Fourth Proportional to 11,917,436.31, 17,876,320.54 and 3,397,772.78

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Solution

The fourth proportional to 11,917,436.31, 17,876,320.54 and 3,397,772.78 is: 5,096,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917,436.31 : 17,876,320.54 = 3,397,772.78 : x
  2. Step 2: Convert to fraction form
    11,917,436.31/17,876,320.54 = 3,397,772.78/x
  3. Step 3: Cross multiply
    11,917,436.31x = 17,876,320.54 × 3,397,772.78
  4. Step 4: Simplify right side
    11,917,436.31x = 60,739,675,239,490.87
  5. Step 5: Solve for x
    x = 60,739,675,239,490.87/11,917,436.31
  6. Step 6: Final answer
    x = 5,096,706.51

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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.