Home / 18,388,443.11-27,563,739.00-8,158,120.82

Finding the Fourth Proportional to 18,388,443.11, 27,563,739.00 and 8,158,120.82

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Solution

The fourth proportional to 18,388,443.11, 27,563,739.00 and 8,158,120.82 is: 12,228,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,443.11 : 27,563,739.00 = 8,158,120.82 : x
  2. Step 2: Convert to fraction form
    18,388,443.11/27,563,739.00 = 8,158,120.82/x
  3. Step 3: Cross multiply
    18,388,443.11x = 27,563,739.00 × 8,158,120.82
  4. Step 4: Simplify right side
    18,388,443.11x = 224,868,313,067,744.72
  5. Step 5: Solve for x
    x = 224,868,313,067,744.72/18,388,443.11
  6. Step 6: Final answer
    x = 12,228,784.77

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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.