Home / 21,856,825.20-30,162,277.80-12,067,879.44

Finding the Fourth Proportional to 21,856,825.20, 30,162,277.80 and 12,067,879.44

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Solution

The fourth proportional to 21,856,825.20, 30,162,277.80 and 12,067,879.44 is: 16,653,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,825.20 : 30,162,277.80 = 12,067,879.44 : x
  2. Step 2: Convert to fraction form
    21,856,825.20/30,162,277.80 = 12,067,879.44/x
  3. Step 3: Cross multiply
    21,856,825.20x = 30,162,277.80 × 12,067,879.44
  4. Step 4: Simplify right side
    21,856,825.20x = 363,994,732,126,188.44
  5. Step 5: Solve for x
    x = 363,994,732,126,188.44/21,856,825.20
  6. Step 6: Final answer
    x = 16,653,595.79

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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.