Home / 16,821,028.20-25,231,542.30-11,081,465.40

Finding the Fourth Proportional to 16,821,028.20, 25,231,542.30 and 11,081,465.40

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Solution

The fourth proportional to 16,821,028.20, 25,231,542.30 and 11,081,465.40 is: 16,622,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,028.20 : 25,231,542.30 = 11,081,465.40 : x
  2. Step 2: Convert to fraction form
    16,821,028.20/25,231,542.30 = 11,081,465.40/x
  3. Step 3: Cross multiply
    16,821,028.20x = 25,231,542.30 × 11,081,465.40
  4. Step 4: Simplify right side
    16,821,028.20x = 279,602,462,986,086.44
  5. Step 5: Solve for x
    x = 279,602,462,986,086.44/16,821,028.20
  6. Step 6: Final answer
    x = 16,622,198.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.