Home / 12,138,782.46-18,196,339.24-4,850,069.46

Finding the Fourth Proportional to 12,138,782.46, 18,196,339.24 and 4,850,069.46

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Solution

The fourth proportional to 12,138,782.46, 18,196,339.24 and 4,850,069.46 is: 7,270,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,782.46 : 18,196,339.24 = 4,850,069.46 : x
  2. Step 2: Convert to fraction form
    12,138,782.46/18,196,339.24 = 4,850,069.46/x
  3. Step 3: Cross multiply
    12,138,782.46x = 18,196,339.24 × 4,850,069.46
  4. Step 4: Simplify right side
    12,138,782.46x = 88,253,509,231,723.61
  5. Step 5: Solve for x
    x = 88,253,509,231,723.61/12,138,782.46
  6. Step 6: Final answer
    x = 7,270,375.72

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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.