Home / 13,278,581.64-19,917,907.94-3,693,961.19

Finding the Fourth Proportional to 13,278,581.64, 19,917,907.94 and 3,693,961.19

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Solution

The fourth proportional to 13,278,581.64, 19,917,907.94 and 3,693,961.19 is: 5,540,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,278,581.64 : 19,917,907.94 = 3,693,961.19 : x
  2. Step 2: Convert to fraction form
    13,278,581.64/19,917,907.94 = 3,693,961.19/x
  3. Step 3: Cross multiply
    13,278,581.64x = 19,917,907.94 × 3,693,961.19
  4. Step 4: Simplify right side
    13,278,581.64x = 73,575,978,975,382.52
  5. Step 5: Solve for x
    x = 73,575,978,975,382.52/13,278,581.64
  6. Step 6: Final answer
    x = 5,540,951.66

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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.