Home / 38,481,122.80-57,641,202.60-18,028,298.80

Finding the Fourth Proportional to 38,481,122.80, 57,641,202.60 and 18,028,298.80

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Solution

The fourth proportional to 38,481,122.80, 57,641,202.60 and 18,028,298.80 is: 27,004,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,481,122.80 : 57,641,202.60 = 18,028,298.80 : x
  2. Step 2: Convert to fraction form
    38,481,122.80/57,641,202.60 = 18,028,298.80/x
  3. Step 3: Cross multiply
    38,481,122.80x = 57,641,202.60 × 18,028,298.80
  4. Step 4: Simplify right side
    38,481,122.80x = 1,039,172,823,664,137
  5. Step 5: Solve for x
    x = 1,039,172,823,664,137/38,481,122.80
  6. Step 6: Final answer
    x = 27,004,742.79

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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.