Home / 18,383,238-25,365,023.28-10,647,818.64

Finding the Fourth Proportional to 18,383,238, 25,365,023.28 and 10,647,818.64

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Solution

The fourth proportional to 18,383,238, 25,365,023.28 and 10,647,818.64 is: 14,691,762.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383,238 : 25,365,023.28 = 10,647,818.64 : x
  2. Step 2: Convert to fraction form
    18,383,238/25,365,023.28 = 10,647,818.64/x
  3. Step 3: Cross multiply
    18,383,238x = 25,365,023.28 × 10,647,818.64
  4. Step 4: Simplify right side
    18,383,238x = 270,082,167,684,817.97
  5. Step 5: Solve for x
    x = 270,082,167,684,817.97/18,383,238
  6. Step 6: Final answer
    x = 14,691,762.55

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1.5x scale

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.