Home / 18,629,252.80-27,943,879.20-17,589,990.40

Finding the Fourth Proportional to 18,629,252.80, 27,943,879.20 and 17,589,990.40

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Solution

The fourth proportional to 18,629,252.80, 27,943,879.20 and 17,589,990.40 is: 26,384,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629,252.80 : 27,943,879.20 = 17,589,990.40 : x
  2. Step 2: Convert to fraction form
    18,629,252.80/27,943,879.20 = 17,589,990.40/x
  3. Step 3: Cross multiply
    18,629,252.80x = 27,943,879.20 × 17,589,990.40
  4. Step 4: Simplify right side
    18,629,252.80x = 491,532,566,866,759.62
  5. Step 5: Solve for x
    x = 491,532,566,866,759.62/18,629,252.80
  6. Step 6: Final answer
    x = 26,384,985.60

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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.