Home / 8,171,528.64-12,259,278.24-2,491,853.76

Finding the Fourth Proportional to 8,171,528.64, 12,259,278.24 and 2,491,853.76

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Solution

The fourth proportional to 8,171,528.64, 12,259,278.24 and 2,491,853.76 is: 3,738,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,528.64 : 12,259,278.24 = 2,491,853.76 : x
  2. Step 2: Convert to fraction form
    8,171,528.64/12,259,278.24 = 2,491,853.76/x
  3. Step 3: Cross multiply
    8,171,528.64x = 12,259,278.24 × 2,491,853.76
  4. Step 4: Simplify right side
    8,171,528.64x = 30,548,328,577,230.18
  5. Step 5: Solve for x
    x = 30,548,328,577,230.18/8,171,528.64
  6. Step 6: Final answer
    x = 3,738,386.04

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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.