Home / 39,251,728.80-54,167,388.24-21,847,699.36

Finding the Fourth Proportional to 39,251,728.80, 54,167,388.24 and 21,847,699.36

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Solution

The fourth proportional to 39,251,728.80, 54,167,388.24 and 21,847,699.36 is: 30,149,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251,728.80 : 54,167,388.24 = 21,847,699.36 : x
  2. Step 2: Convert to fraction form
    39,251,728.80/54,167,388.24 = 21,847,699.36/x
  3. Step 3: Cross multiply
    39,251,728.80x = 54,167,388.24 × 21,847,699.36
  4. Step 4: Simplify right side
    39,251,728.80x = 1,183,432,813,383,919.50
  5. Step 5: Solve for x
    x = 1,183,432,813,383,919.50/39,251,728.80
  6. Step 6: Final answer
    x = 30,149,826.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.