Home / 18,612,520.56-25,684,909.70-10,352,405.43

Finding the Fourth Proportional to 18,612,520.56, 25,684,909.70 and 10,352,405.43

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Solution

The fourth proportional to 18,612,520.56, 25,684,909.70 and 10,352,405.43 is: 14,286,114.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,520.56 : 25,684,909.70 = 10,352,405.43 : x
  2. Step 2: Convert to fraction form
    18,612,520.56/25,684,909.70 = 10,352,405.43/x
  3. Step 3: Cross multiply
    18,612,520.56x = 25,684,909.70 × 10,352,405.43
  4. Step 4: Simplify right side
    18,612,520.56x = 265,900,598,595,577.62
  5. Step 5: Solve for x
    x = 265,900,598,595,577.62/18,612,520.56
  6. Step 6: Final answer
    x = 14,286,114.43

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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.