Home / 11,868,721.41-17,802,887.57-3,781,587.18

Finding the Fourth Proportional to 11,868,721.41, 17,802,887.57 and 3,781,587.18

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Solution

The fourth proportional to 11,868,721.41, 17,802,887.57 and 3,781,587.18 is: 5,672,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,721.41 : 17,802,887.57 = 3,781,587.18 : x
  2. Step 2: Convert to fraction form
    11,868,721.41/17,802,887.57 = 3,781,587.18/x
  3. Step 3: Cross multiply
    11,868,721.41x = 17,802,887.57 × 3,781,587.18
  4. Step 4: Simplify right side
    11,868,721.41x = 67,323,171,382,785.42
  5. Step 5: Solve for x
    x = 67,323,171,382,785.42/11,868,721.41
  6. Step 6: Final answer
    x = 5,672,318.78

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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.