Home / 31,680,328.73-43,718,871.44-17,193,640.73

Finding the Fourth Proportional to 31,680,328.73, 43,718,871.44 and 17,193,640.73

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Solution

The fourth proportional to 31,680,328.73, 43,718,871.44 and 17,193,640.73 is: 23,727,233.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,680,328.73 : 43,718,871.44 = 17,193,640.73 : x
  2. Step 2: Convert to fraction form
    31,680,328.73/43,718,871.44 = 17,193,640.73/x
  3. Step 3: Cross multiply
    31,680,328.73x = 43,718,871.44 × 17,193,640.73
  4. Step 4: Simplify right side
    31,680,328.73x = 751,686,568,660,417.75
  5. Step 5: Solve for x
    x = 751,686,568,660,417.75/31,680,328.73
  6. Step 6: Final answer
    x = 23,727,233.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.