Home / 18,195,972.54-27,303,404.97-7,421,178.30

Finding the Fourth Proportional to 18,195,972.54, 27,303,404.97 and 7,421,178.30

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Solution

The fourth proportional to 18,195,972.54, 27,303,404.97 and 7,421,178.30 is: 11,135,620.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195,972.54 : 27,303,404.97 = 7,421,178.30 : x
  2. Step 2: Convert to fraction form
    18,195,972.54/27,303,404.97 = 7,421,178.30/x
  3. Step 3: Cross multiply
    18,195,972.54x = 27,303,404.97 × 7,421,178.30
  4. Step 4: Simplify right side
    18,195,972.54x = 202,623,436,479,476.12
  5. Step 5: Solve for x
    x = 202,623,436,479,476.12/18,195,972.54
  6. Step 6: Final answer
    x = 11,135,620.04

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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.