Home / 10,647,104.20-15,965,990.70-4,255,232.20

Finding the Fourth Proportional to 10,647,104.20, 15,965,990.70 and 4,255,232.20

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Solution

The fourth proportional to 10,647,104.20, 15,965,990.70 and 4,255,232.20 is: 6,380,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,104.20 : 15,965,990.70 = 4,255,232.20 : x
  2. Step 2: Convert to fraction form
    10,647,104.20/15,965,990.70 = 4,255,232.20/x
  3. Step 3: Cross multiply
    10,647,104.20x = 15,965,990.70 × 4,255,232.20
  4. Step 4: Simplify right side
    10,647,104.20x = 67,938,997,731,540.54
  5. Step 5: Solve for x
    x = 67,938,997,731,540.54/10,647,104.20
  6. Step 6: Final answer
    x = 6,380,983.64

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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.