Home / 18,456,993.60-25,469,880.30-10,615,909.68

Finding the Fourth Proportional to 18,456,993.60, 25,469,880.30 and 10,615,909.68

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Solution

The fourth proportional to 18,456,993.60, 25,469,880.30 and 10,615,909.68 is: 14,649,511.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456,993.60 : 25,469,880.30 = 10,615,909.68 : x
  2. Step 2: Convert to fraction form
    18,456,993.60/25,469,880.30 = 10,615,909.68/x
  3. Step 3: Cross multiply
    18,456,993.60x = 25,469,880.30 × 10,615,909.68
  4. Step 4: Simplify right side
    18,456,993.60x = 270,385,948,825,211.31
  5. Step 5: Solve for x
    x = 270,385,948,825,211.31/18,456,993.60
  6. Step 6: Final answer
    x = 14,649,511.98

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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.