Home / 18,726,150.80-28,089,226.20-5,261,229.20

Finding the Fourth Proportional to 18,726,150.80, 28,089,226.20 and 5,261,229.20

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Solution

The fourth proportional to 18,726,150.80, 28,089,226.20 and 5,261,229.20 is: 7,891,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726,150.80 : 28,089,226.20 = 5,261,229.20 : x
  2. Step 2: Convert to fraction form
    18,726,150.80/28,089,226.20 = 5,261,229.20/x
  3. Step 3: Cross multiply
    18,726,150.80x = 28,089,226.20 × 5,261,229.20
  4. Step 4: Simplify right side
    18,726,150.80x = 147,783,857,088,845.03
  5. Step 5: Solve for x
    x = 147,783,857,088,845.03/18,726,150.80
  6. Step 6: Final answer
    x = 7,891,843.80

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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.