Home / 20,604,385.90-30,906,578.85-6,229,672.30

Finding the Fourth Proportional to 20,604,385.90, 30,906,578.85 and 6,229,672.30

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Solution

The fourth proportional to 20,604,385.90, 30,906,578.85 and 6,229,672.30 is: 9,344,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,385.90 : 30,906,578.85 = 6,229,672.30 : x
  2. Step 2: Convert to fraction form
    20,604,385.90/30,906,578.85 = 6,229,672.30/x
  3. Step 3: Cross multiply
    20,604,385.90x = 30,906,578.85 × 6,229,672.30
  4. Step 4: Simplify right side
    20,604,385.90x = 192,537,858,149,610.84
  5. Step 5: Solve for x
    x = 192,537,858,149,610.84/20,604,385.90
  6. Step 6: Final answer
    x = 9,344,508.45

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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.