Home / 21,856,911.76-30,162,579.96-12,067,374.88

Finding the Fourth Proportional to 21,856,911.76, 30,162,579.96 and 12,067,374.88

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Solution

The fourth proportional to 21,856,911.76, 30,162,579.96 and 12,067,374.88 is: 16,653,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,911.76 : 30,162,579.96 = 12,067,374.88 : x
  2. Step 2: Convert to fraction form
    21,856,911.76/30,162,579.96 = 12,067,374.88/x
  3. Step 3: Cross multiply
    21,856,911.76x = 30,162,579.96 × 12,067,374.88
  4. Step 4: Simplify right side
    21,856,911.76x = 363,983,159,725,295.44
  5. Step 5: Solve for x
    x = 363,983,159,725,295.44/21,856,911.76
  6. Step 6: Final answer
    x = 16,653,000.37

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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.