Home / 25,680,321.92-35,438,714.31-13,919,542.92

Finding the Fourth Proportional to 25,680,321.92, 35,438,714.31 and 13,919,542.92

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Solution

The fourth proportional to 25,680,321.92, 35,438,714.31 and 13,919,542.92 is: 19,208,898.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680,321.92 : 35,438,714.31 = 13,919,542.92 : x
  2. Step 2: Convert to fraction form
    25,680,321.92/35,438,714.31 = 13,919,542.92/x
  3. Step 3: Cross multiply
    25,680,321.92x = 35,438,714.31 × 13,919,542.92
  4. Step 4: Simplify right side
    25,680,321.92x = 493,290,704,620,871.88
  5. Step 5: Solve for x
    x = 493,290,704,620,871.88/25,680,321.92
  6. Step 6: Final answer
    x = 19,208,898.79

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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.