Home / 20,639,714.94-28,482,824.84-11,347,443.11

Finding the Fourth Proportional to 20,639,714.94, 28,482,824.84 and 11,347,443.11

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Solution

The fourth proportional to 20,639,714.94, 28,482,824.84 and 11,347,443.11 is: 15,659,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,639,714.94 : 28,482,824.84 = 11,347,443.11 : x
  2. Step 2: Convert to fraction form
    20,639,714.94/28,482,824.84 = 11,347,443.11/x
  3. Step 3: Cross multiply
    20,639,714.94x = 28,482,824.84 × 11,347,443.11
  4. Step 4: Simplify right side
    20,639,714.94x = 323,207,234,498,464.75
  5. Step 5: Solve for x
    x = 323,207,234,498,464.75/20,639,714.94
  6. Step 6: Final answer
    x = 15,659,481.51

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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.