Home / 13,792,979.16-20,691,186.30-4,694,377.55

Finding the Fourth Proportional to 13,792,979.16, 20,691,186.30 and 4,694,377.55

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Solution

The fourth proportional to 13,792,979.16, 20,691,186.30 and 4,694,377.55 is: 7,042,150.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792,979.16 : 20,691,186.30 = 4,694,377.55 : x
  2. Step 2: Convert to fraction form
    13,792,979.16/20,691,186.30 = 4,694,377.55/x
  3. Step 3: Cross multiply
    13,792,979.16x = 20,691,186.30 × 4,694,377.55
  4. Step 4: Simplify right side
    13,792,979.16x = 97,132,240,346,131.64
  5. Step 5: Solve for x
    x = 97,132,240,346,131.64/13,792,979.16
  6. Step 6: Final answer
    x = 7,042,150.88

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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.