Home / 18,194,434.38-27,275,584.41-7,420,747.50

Finding the Fourth Proportional to 18,194,434.38, 27,275,584.41 and 7,420,747.50

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Solution

The fourth proportional to 18,194,434.38, 27,275,584.41 and 7,420,747.50 is: 11,124,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,194,434.38 : 27,275,584.41 = 7,420,747.50 : x
  2. Step 2: Convert to fraction form
    18,194,434.38/27,275,584.41 = 7,420,747.50/x
  3. Step 3: Cross multiply
    18,194,434.38x = 27,275,584.41 × 7,420,747.50
  4. Step 4: Simplify right side
    18,194,434.38x = 202,405,224,821,546.47
  5. Step 5: Solve for x
    x = 202,405,224,821,546.47/18,194,434.38
  6. Step 6: Final answer
    x = 11,124,568.13

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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.