Home / 20,604,170.25-30,906,845.87-5,458,101.75

Finding the Fourth Proportional to 20,604,170.25, 30,906,845.87 and 5,458,101.75

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Solution

The fourth proportional to 20,604,170.25, 30,906,845.87 and 5,458,101.75 is: 8,187,309.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,170.25 : 30,906,845.87 = 5,458,101.75 : x
  2. Step 2: Convert to fraction form
    20,604,170.25/30,906,845.87 = 5,458,101.75/x
  3. Step 3: Cross multiply
    20,604,170.25x = 30,906,845.87 × 5,458,101.75
  4. Step 4: Simplify right side
    20,604,170.25x = 168,692,709,502,736.75
  5. Step 5: Solve for x
    x = 168,692,709,502,736.75/20,604,170.25
  6. Step 6: Final answer
    x = 8,187,309.05

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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.