Home / 18,388,036.80-27,597,801.60-8,168,623.20

Finding the Fourth Proportional to 18,388,036.80, 27,597,801.60 and 8,168,623.20

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Solution

The fourth proportional to 18,388,036.80, 27,597,801.60 and 8,168,623.20 is: 12,259,929.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,036.80 : 27,597,801.60 = 8,168,623.20 : x
  2. Step 2: Convert to fraction form
    18,388,036.80/27,597,801.60 = 8,168,623.20/x
  3. Step 3: Cross multiply
    18,388,036.80x = 27,597,801.60 × 8,168,623.20
  4. Step 4: Simplify right side
    18,388,036.80x = 225,436,042,418,757.12
  5. Step 5: Solve for x
    x = 225,436,042,418,757.12/18,388,036.80
  6. Step 6: Final answer
    x = 12,259,929.91

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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.