Home / 14,821,974.35-20,454,963.87-8,206,562.75

Finding the Fourth Proportional to 14,821,974.35, 20,454,963.87 and 8,206,562.75

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Solution

The fourth proportional to 14,821,974.35, 20,454,963.87 and 8,206,562.75 is: 11,325,410.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,974.35 : 20,454,963.87 = 8,206,562.75 : x
  2. Step 2: Convert to fraction form
    14,821,974.35/20,454,963.87 = 8,206,562.75/x
  3. Step 3: Cross multiply
    14,821,974.35x = 20,454,963.87 × 8,206,562.75
  4. Step 4: Simplify right side
    14,821,974.35x = 167,864,944,548,137.84
  5. Step 5: Solve for x
    x = 167,864,944,548,137.84/14,821,974.35
  6. Step 6: Final answer
    x = 11,325,410.54

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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.