Home / 38,419,447.37-57,620,824.20-12,160,324.87

Finding the Fourth Proportional to 38,419,447.37, 57,620,824.20 and 12,160,324.87

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Solution

The fourth proportional to 38,419,447.37, 57,620,824.20 and 12,160,324.87 is: 18,237,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,419,447.37 : 57,620,824.20 = 12,160,324.87 : x
  2. Step 2: Convert to fraction form
    38,419,447.37/57,620,824.20 = 12,160,324.87/x
  3. Step 3: Cross multiply
    38,419,447.37x = 57,620,824.20 × 12,160,324.87
  4. Step 4: Simplify right side
    38,419,447.37x = 700,687,941,405,105.88
  5. Step 5: Solve for x
    x = 700,687,941,405,105.88/38,419,447.37
  6. Step 6: Final answer
    x = 18,237,845.40

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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.