Home / 18,883,195.20-28,324,792.80-6,112,864.80

Finding the Fourth Proportional to 18,883,195.20, 28,324,792.80 and 6,112,864.80

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Solution

The fourth proportional to 18,883,195.20, 28,324,792.80 and 6,112,864.80 is: 9,169,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883,195.20 : 28,324,792.80 = 6,112,864.80 : x
  2. Step 2: Convert to fraction form
    18,883,195.20/28,324,792.80 = 6,112,864.80/x
  3. Step 3: Cross multiply
    18,883,195.20x = 28,324,792.80 × 6,112,864.80
  4. Step 4: Simplify right side
    18,883,195.20x = 173,145,628,874,413.44
  5. Step 5: Solve for x
    x = 173,145,628,874,413.44/18,883,195.20
  6. Step 6: Final answer
    x = 9,169,297.20

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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.