Home / 18,117,015.85-25,002,170-10,383,550.57

Finding the Fourth Proportional to 18,117,015.85, 25,002,170 and 10,383,550.57

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Solution

The fourth proportional to 18,117,015.85, 25,002,170 and 10,383,550.57 is: 14,329,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117,015.85 : 25,002,170 = 10,383,550.57 : x
  2. Step 2: Convert to fraction form
    18,117,015.85/25,002,170 = 10,383,550.57/x
  3. Step 3: Cross multiply
    18,117,015.85x = 25,002,170 × 10,383,550.57
  4. Step 4: Simplify right side
    18,117,015.85x = 259,611,296,554,736.91
  5. Step 5: Solve for x
    x = 259,611,296,554,736.91/18,117,015.85
  6. Step 6: Final answer
    x = 14,329,694.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.