Home / 18,045,189.38-27,074,874-7,940,724.50

Finding the Fourth Proportional to 18,045,189.38, 27,074,874 and 7,940,724.50

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Solution

The fourth proportional to 18,045,189.38, 27,074,874 and 7,940,724.50 is: 11,914,206.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045,189.38 : 27,074,874 = 7,940,724.50 : x
  2. Step 2: Convert to fraction form
    18,045,189.38/27,074,874 = 7,940,724.50/x
  3. Step 3: Cross multiply
    18,045,189.38x = 27,074,874 × 7,940,724.50
  4. Step 4: Simplify right side
    18,045,189.38x = 214,994,115,306,213
  5. Step 5: Solve for x
    x = 214,994,115,306,213/18,045,189.38
  6. Step 6: Final answer
    x = 11,914,206.65

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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.