Home / 18,568,155.54-27,819,282.48-7,761,634.50

Finding the Fourth Proportional to 18,568,155.54, 27,819,282.48 and 7,761,634.50

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Solution

The fourth proportional to 18,568,155.54, 27,819,282.48 and 7,761,634.50 is: 11,628,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568,155.54 : 27,819,282.48 = 7,761,634.50 : x
  2. Step 2: Convert to fraction form
    18,568,155.54/27,819,282.48 = 7,761,634.50/x
  3. Step 3: Cross multiply
    18,568,155.54x = 27,819,282.48 × 7,761,634.50
  4. Step 4: Simplify right side
    18,568,155.54x = 215,923,102,662,013.56
  5. Step 5: Solve for x
    x = 215,923,102,662,013.56/18,568,155.54
  6. Step 6: Final answer
    x = 11,628,678.04

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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.