Home / 12,647,856.60-18,972,309.70-3,672,408.60

Finding the Fourth Proportional to 12,647,856.60, 18,972,309.70 and 3,672,408.60

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Solution

The fourth proportional to 12,647,856.60, 18,972,309.70 and 3,672,408.60 is: 5,508,765.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647,856.60 : 18,972,309.70 = 3,672,408.60 : x
  2. Step 2: Convert to fraction form
    12,647,856.60/18,972,309.70 = 3,672,408.60/x
  3. Step 3: Cross multiply
    12,647,856.60x = 18,972,309.70 × 3,672,408.60
  4. Step 4: Simplify right side
    12,647,856.60x = 69,674,073,304,143.42
  5. Step 5: Solve for x
    x = 69,674,073,304,143.42/12,647,856.60
  6. Step 6: Final answer
    x = 5,508,765.28

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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.