Home / 38,850,518.30-53,612,310.17-21,446,489.88

Finding the Fourth Proportional to 38,850,518.30, 53,612,310.17 and 21,446,489.88

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Solution

The fourth proportional to 38,850,518.30, 53,612,310.17 and 21,446,489.88 is: 29,595,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,850,518.30 : 53,612,310.17 = 21,446,489.88 : x
  2. Step 2: Convert to fraction form
    38,850,518.30/53,612,310.17 = 21,446,489.88/x
  3. Step 3: Cross multiply
    38,850,518.30x = 53,612,310.17 × 21,446,489.88
  4. Step 4: Simplify right side
    38,850,518.30x = 1,149,795,867,557,942.25
  5. Step 5: Solve for x
    x = 1,149,795,867,557,942.25/38,850,518.30
  6. Step 6: Final answer
    x = 29,595,380.40

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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.