Home / 12,168,002.64-18,254,449.32-4,491,695.52

Finding the Fourth Proportional to 12,168,002.64, 18,254,449.32 and 4,491,695.52

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Solution

The fourth proportional to 12,168,002.64, 18,254,449.32 and 4,491,695.52 is: 6,738,445.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,002.64 : 18,254,449.32 = 4,491,695.52 : x
  2. Step 2: Convert to fraction form
    12,168,002.64/18,254,449.32 = 4,491,695.52/x
  3. Step 3: Cross multiply
    12,168,002.64x = 18,254,449.32 × 4,491,695.52
  4. Step 4: Simplify right side
    12,168,002.64x = 81,993,428,230,711.05
  5. Step 5: Solve for x
    x = 81,993,428,230,711.05/12,168,002.64
  6. Step 6: Final answer
    x = 6,738,445.96

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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.