Home / 16,978,657.75-25,451,976.70-8,450,932.39

Finding the Fourth Proportional to 16,978,657.75, 25,451,976.70 and 8,450,932.39

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Solution

The fourth proportional to 16,978,657.75, 25,451,976.70 and 8,450,932.39 is: 12,668,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,978,657.75 : 25,451,976.70 = 8,450,932.39 : x
  2. Step 2: Convert to fraction form
    16,978,657.75/25,451,976.70 = 8,450,932.39/x
  3. Step 3: Cross multiply
    16,978,657.75x = 25,451,976.70 × 8,450,932.39
  4. Step 4: Simplify right side
    16,978,657.75x = 215,092,934,283,555.31
  5. Step 5: Solve for x
    x = 215,092,934,283,555.31/16,978,657.75
  6. Step 6: Final answer
    x = 12,668,429.83

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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.