Home / 27,605,766.80-41,408,650.20-18,996,422.60

Finding the Fourth Proportional to 27,605,766.80, 41,408,650.20 and 18,996,422.60

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Solution

The fourth proportional to 27,605,766.80, 41,408,650.20 and 18,996,422.60 is: 28,494,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,605,766.80 : 41,408,650.20 = 18,996,422.60 : x
  2. Step 2: Convert to fraction form
    27,605,766.80/41,408,650.20 = 18,996,422.60/x
  3. Step 3: Cross multiply
    27,605,766.80x = 41,408,650.20 × 18,996,422.60
  4. Step 4: Simplify right side
    27,605,766.80x = 786,616,218,494,774.62
  5. Step 5: Solve for x
    x = 786,616,218,494,774.62/27,605,766.80
  6. Step 6: Final answer
    x = 28,494,633.90

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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.