Home / 31,065,863.97-42,870,939.52-17,314,532.85

Finding the Fourth Proportional to 31,065,863.97, 42,870,939.52 and 17,314,532.85

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Solution

The fourth proportional to 31,065,863.97, 42,870,939.52 and 17,314,532.85 is: 23,894,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,065,863.97 : 42,870,939.52 = 17,314,532.85 : x
  2. Step 2: Convert to fraction form
    31,065,863.97/42,870,939.52 = 17,314,532.85/x
  3. Step 3: Cross multiply
    31,065,863.97x = 42,870,939.52 × 17,314,532.85
  4. Step 4: Simplify right side
    31,065,863.97x = 742,290,290,629,403.38
  5. Step 5: Solve for x
    x = 742,290,290,629,403.38/31,065,863.97
  6. Step 6: Final answer
    x = 23,894,081.66

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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.