Home / 13,278,581.38-19,917,907.56-3,693,960.94

Finding the Fourth Proportional to 13,278,581.38, 19,917,907.56 and 3,693,960.94

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Solution

The fourth proportional to 13,278,581.38, 19,917,907.56 and 3,693,960.94 is: 5,540,951.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278,581.38 : 19,917,907.56 = 3,693,960.94 : x
  2. Step 2: Convert to fraction form
    13,278,581.38/19,917,907.56 = 3,693,960.94/x
  3. Step 3: Cross multiply
    13,278,581.38x = 19,917,907.56 × 3,693,960.94
  4. Step 4: Simplify right side
    13,278,581.38x = 73,575,972,533,170.70
  5. Step 5: Solve for x
    x = 73,575,972,533,170.70/13,278,581.38
  6. Step 6: Final answer
    x = 5,540,951.28

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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.