Home / 38,481,121.80-57,641,201.10-18,028,297.80

Finding the Fourth Proportional to 38,481,121.80, 57,641,201.10 and 18,028,297.80

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Solution

The fourth proportional to 38,481,121.80, 57,641,201.10 and 18,028,297.80 is: 27,004,741.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481,121.80 : 57,641,201.10 = 18,028,297.80 : x
  2. Step 2: Convert to fraction form
    38,481,121.80/57,641,201.10 = 18,028,297.80/x
  3. Step 3: Cross multiply
    38,481,121.80x = 57,641,201.10 × 18,028,297.80
  4. Step 4: Simplify right side
    38,481,121.80x = 1,039,172,738,980,487.62
  5. Step 5: Solve for x
    x = 1,039,172,738,980,487.62/38,481,121.80
  6. Step 6: Final answer
    x = 27,004,741.30

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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.