Home / 5,168,086.98-7,131,960.07-2,876,788.96

Finding the Fourth Proportional to 5,168,086.98, 7,131,960.07 and 2,876,788.96

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Solution

The fourth proportional to 5,168,086.98, 7,131,960.07 and 2,876,788.96 is: 3,969,968.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168,086.98 : 7,131,960.07 = 2,876,788.96 : x
  2. Step 2: Convert to fraction form
    5,168,086.98/7,131,960.07 = 2,876,788.96/x
  3. Step 3: Cross multiply
    5,168,086.98x = 7,131,960.07 × 2,876,788.96
  4. Step 4: Simplify right side
    5,168,086.98x = 20,517,143,992,536.83
  5. Step 5: Solve for x
    x = 20,517,143,992,536.83/5,168,086.98
  6. Step 6: Final answer
    x = 3,969,968.79

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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.