Home / 18,170,217.12-27,259,087.32-7,387,519.80

Finding the Fourth Proportional to 18,170,217.12, 27,259,087.32 and 7,387,519.80

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Solution

The fourth proportional to 18,170,217.12, 27,259,087.32 and 7,387,519.80 is: 11,082,809.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170,217.12 : 27,259,087.32 = 7,387,519.80 : x
  2. Step 2: Convert to fraction form
    18,170,217.12/27,259,087.32 = 7,387,519.80/x
  3. Step 3: Cross multiply
    18,170,217.12x = 27,259,087.32 × 7,387,519.80
  4. Step 4: Simplify right side
    18,170,217.12x = 201,377,047,306,428.94
  5. Step 5: Solve for x
    x = 201,377,047,306,428.94/18,170,217.12
  6. Step 6: Final answer
    x = 11,082,809.08

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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.