Home / 7,664,961.11-11,491,766.37-4,631,616.72

Finding the Fourth Proportional to 7,664,961.11, 11,491,766.37 and 4,631,616.72

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Solution

The fourth proportional to 7,664,961.11, 11,491,766.37 and 4,631,616.72 is: 6,943,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664,961.11 : 11,491,766.37 = 4,631,616.72 : x
  2. Step 2: Convert to fraction form
    7,664,961.11/11,491,766.37 = 4,631,616.72/x
  3. Step 3: Cross multiply
    7,664,961.11x = 11,491,766.37 × 4,631,616.72
  4. Step 4: Simplify right side
    7,664,961.11x = 53,225,457,261,625.70
  5. Step 5: Solve for x
    x = 53,225,457,261,625.70/7,664,961.11
  6. Step 6: Final answer
    x = 6,943,995.74

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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.