Home / 27,861,025.20-41,708,869.20-20,704,286.40

Finding the Fourth Proportional to 27,861,025.20, 41,708,869.20 and 20,704,286.40

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Solution

The fourth proportional to 27,861,025.20, 41,708,869.20 and 20,704,286.40 is: 30,994,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861,025.20 : 41,708,869.20 = 20,704,286.40 : x
  2. Step 2: Convert to fraction form
    27,861,025.20/41,708,869.20 = 20,704,286.40/x
  3. Step 3: Cross multiply
    27,861,025.20x = 41,708,869.20 × 20,704,286.40
  4. Step 4: Simplify right side
    27,861,025.20x = 863,552,373,336,938.88
  5. Step 5: Solve for x
    x = 863,552,373,336,938.88/27,861,025.20
  6. Step 6: Final answer
    x = 30,994,996.31

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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.