Home / 10,900,917.45-16,351,376.18-9,891,179.55

Finding the Fourth Proportional to 10,900,917.45, 16,351,376.18 and 9,891,179.55

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Solution

The fourth proportional to 10,900,917.45, 16,351,376.18 and 9,891,179.55 is: 14,836,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900,917.45 : 16,351,376.18 = 9,891,179.55 : x
  2. Step 2: Convert to fraction form
    10,900,917.45/16,351,376.18 = 9,891,179.55/x
  3. Step 3: Cross multiply
    10,900,917.45x = 16,351,376.18 × 9,891,179.55
  4. Step 4: Simplify right side
    10,900,917.45x = 161,734,397,636,517.25
  5. Step 5: Solve for x
    x = 161,734,397,636,517.25/10,900,917.45
  6. Step 6: Final answer
    x = 14,836,769.33

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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.