Home / 16,979,657.60-25,469,486.40-10,177,212.80

Finding the Fourth Proportional to 16,979,657.60, 25,469,486.40 and 10,177,212.80

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Solution

The fourth proportional to 16,979,657.60, 25,469,486.40 and 10,177,212.80 is: 15,265,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,979,657.60 : 25,469,486.40 = 10,177,212.80 : x
  2. Step 2: Convert to fraction form
    16,979,657.60/25,469,486.40 = 10,177,212.80/x
  3. Step 3: Cross multiply
    16,979,657.60x = 25,469,486.40 × 10,177,212.80
  4. Step 4: Simplify right side
    16,979,657.60x = 259,208,382,999,505.94
  5. Step 5: Solve for x
    x = 259,208,382,999,505.94/16,979,657.60
  6. Step 6: Final answer
    x = 15,265,819.20

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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.