Home / 18,124,803.20-27,218,697.60-9,621,747.20

Finding the Fourth Proportional to 18,124,803.20, 27,218,697.60 and 9,621,747.20

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Solution

The fourth proportional to 18,124,803.20, 27,218,697.60 and 9,621,747.20 is: 14,449,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124,803.20 : 27,218,697.60 = 9,621,747.20 : x
  2. Step 2: Convert to fraction form
    18,124,803.20/27,218,697.60 = 9,621,747.20/x
  3. Step 3: Cross multiply
    18,124,803.20x = 27,218,697.60 × 9,621,747.20
  4. Step 4: Simplify right side
    18,124,803.20x = 261,891,427,420,446.72
  5. Step 5: Solve for x
    x = 261,891,427,420,446.72/18,124,803.20
  6. Step 6: Final answer
    x = 14,449,339.09

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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.