Home / 17,987,709.87-26,986,344.86-5,691,891.62

Finding the Fourth Proportional to 17,987,709.87, 26,986,344.86 and 5,691,891.62

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Solution

The fourth proportional to 17,987,709.87, 26,986,344.86 and 5,691,891.62 is: 8,539,350.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987,709.87 : 26,986,344.86 = 5,691,891.62 : x
  2. Step 2: Convert to fraction form
    17,987,709.87/26,986,344.86 = 5,691,891.62/x
  3. Step 3: Cross multiply
    17,987,709.87x = 26,986,344.86 × 5,691,891.62
  4. Step 4: Simplify right side
    17,987,709.87x = 153,603,350,278,413.97
  5. Step 5: Solve for x
    x = 153,603,350,278,413.97/17,987,709.87
  6. Step 6: Final answer
    x = 8,539,350.00

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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.