Home / 25,452,203.82-38,184,285.34-8,412,876.78

Finding the Fourth Proportional to 25,452,203.82, 38,184,285.34 and 8,412,876.78

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Solution

The fourth proportional to 25,452,203.82, 38,184,285.34 and 8,412,876.78 is: 12,621,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,452,203.82 : 38,184,285.34 = 8,412,876.78 : x
  2. Step 2: Convert to fraction form
    25,452,203.82/38,184,285.34 = 8,412,876.78/x
  3. Step 3: Cross multiply
    25,452,203.82x = 38,184,285.34 × 8,412,876.78
  4. Step 4: Simplify right side
    25,452,203.82x = 321,239,687,497,780.44
  5. Step 5: Solve for x
    x = 321,239,687,497,780.44/25,452,203.82
  6. Step 6: Final answer
    x = 12,621,291.65

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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.