Home / 18,792,109.20-28,188,163.80-9,722,182.80

Finding the Fourth Proportional to 18,792,109.20, 28,188,163.80 and 9,722,182.80

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Solution

The fourth proportional to 18,792,109.20, 28,188,163.80 and 9,722,182.80 is: 14,583,274.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,109.20 : 28,188,163.80 = 9,722,182.80 : x
  2. Step 2: Convert to fraction form
    18,792,109.20/28,188,163.80 = 9,722,182.80/x
  3. Step 3: Cross multiply
    18,792,109.20x = 28,188,163.80 × 9,722,182.80
  4. Step 4: Simplify right side
    18,792,109.20x = 274,050,481,259,942.66
  5. Step 5: Solve for x
    x = 274,050,481,259,942.66/18,792,109.20
  6. Step 6: Final answer
    x = 14,583,274.20

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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.