Home / 9,940,643.54-13,718,169.82-5,589,691.79

Finding the Fourth Proportional to 9,940,643.54, 13,718,169.82 and 5,589,691.79

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Solution

The fourth proportional to 9,940,643.54, 13,718,169.82 and 5,589,691.79 is: 7,713,820.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940,643.54 : 13,718,169.82 = 5,589,691.79 : x
  2. Step 2: Convert to fraction form
    9,940,643.54/13,718,169.82 = 5,589,691.79/x
  3. Step 3: Cross multiply
    9,940,643.54x = 13,718,169.82 × 5,589,691.79
  4. Step 4: Simplify right side
    9,940,643.54x = 76,680,341,232,240.75
  5. Step 5: Solve for x
    x = 76,680,341,232,240.75/9,940,643.54
  6. Step 6: Final answer
    x = 7,713,820.63

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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.