Home / 14,821,974.60-20,454,964.22-8,206,563.02

Finding the Fourth Proportional to 14,821,974.60, 20,454,964.22 and 8,206,563.02

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Solution

The fourth proportional to 14,821,974.60, 20,454,964.22 and 8,206,563.02 is: 11,325,410.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821,974.60 : 20,454,964.22 = 8,206,563.02 : x
  2. Step 2: Convert to fraction form
    14,821,974.60/20,454,964.22 = 8,206,563.02/x
  3. Step 3: Cross multiply
    14,821,974.60x = 20,454,964.22 × 8,206,563.02
  4. Step 4: Simplify right side
    14,821,974.60x = 167,864,952,943,275.12
  5. Step 5: Solve for x
    x = 167,864,952,943,275.12/14,821,974.60
  6. Step 6: Final answer
    x = 11,325,410.92

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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.