Home / 39,559,691.54-54,591,651.78-21,918,529.75

Finding the Fourth Proportional to 39,559,691.54, 54,591,651.78 and 21,918,529.75

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Solution

The fourth proportional to 39,559,691.54, 54,591,651.78 and 21,918,529.75 is: 30,247,170.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559,691.54 : 54,591,651.78 = 21,918,529.75 : x
  2. Step 2: Convert to fraction form
    39,559,691.54/54,591,651.78 = 21,918,529.75/x
  3. Step 3: Cross multiply
    39,559,691.54x = 54,591,651.78 × 21,918,529.75
  4. Step 4: Simplify right side
    39,559,691.54x = 1,196,568,743,641,570.50
  5. Step 5: Solve for x
    x = 1,196,568,743,641,570.50/39,559,691.54
  6. Step 6: Final answer
    x = 30,247,170.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.