Home / 18,612,321.35-25,684,635.11-10,352,205.85

Finding the Fourth Proportional to 18,612,321.35, 25,684,635.11 and 10,352,205.85

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Solution

The fourth proportional to 18,612,321.35, 25,684,635.11 and 10,352,205.85 is: 14,285,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,321.35 : 25,684,635.11 = 10,352,205.85 : x
  2. Step 2: Convert to fraction form
    18,612,321.35/25,684,635.11 = 10,352,205.85/x
  3. Step 3: Cross multiply
    18,612,321.35x = 25,684,635.11 × 10,352,205.85
  4. Step 4: Simplify right side
    18,612,321.35x = 265,892,629,795,151.66
  5. Step 5: Solve for x
    x = 265,892,629,795,151.66/18,612,321.35
  6. Step 6: Final answer
    x = 14,285,839.20

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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.