Home / 18,393,618.88-25,383,200.96-10,663,142.56

Finding the Fourth Proportional to 18,393,618.88, 25,383,200.96 and 10,663,142.56

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Solution

The fourth proportional to 18,393,618.88, 25,383,200.96 and 10,663,142.56 is: 14,715,140.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,618.88 : 25,383,200.96 = 10,663,142.56 : x
  2. Step 2: Convert to fraction form
    18,393,618.88/25,383,200.96 = 10,663,142.56/x
  3. Step 3: Cross multiply
    18,393,618.88x = 25,383,200.96 × 10,663,142.56
  4. Step 4: Simplify right side
    18,393,618.88x = 270,664,690,465,608.88
  5. Step 5: Solve for x
    x = 270,664,690,465,608.88/18,393,618.88
  6. Step 6: Final answer
    x = 14,715,140.74

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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.