Home / 27,690,951.78-38,215,692.71-15,770,268.48

Finding the Fourth Proportional to 27,690,951.78, 38,215,692.71 and 15,770,268.48

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Solution

The fourth proportional to 27,690,951.78, 38,215,692.71 and 15,770,268.48 is: 21,764,211.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,690,951.78 : 38,215,692.71 = 15,770,268.48 : x
  2. Step 2: Convert to fraction form
    27,690,951.78/38,215,692.71 = 15,770,268.48/x
  3. Step 3: Cross multiply
    27,690,951.78x = 38,215,692.71 × 15,770,268.48
  4. Step 4: Simplify right side
    27,690,951.78x = 602,671,734,185,878.75
  5. Step 5: Solve for x
    x = 602,671,734,185,878.75/27,690,951.78
  6. Step 6: Final answer
    x = 21,764,211.61

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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.