Home / 7,049,432.62-9,728,183.07-3,993,639.58

Finding the Fourth Proportional to 7,049,432.62, 9,728,183.07 and 3,993,639.58

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Solution

The fourth proportional to 7,049,432.62, 9,728,183.07 and 3,993,639.58 is: 5,511,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,049,432.62 : 9,728,183.07 = 3,993,639.58 : x
  2. Step 2: Convert to fraction form
    7,049,432.62/9,728,183.07 = 3,993,639.58/x
  3. Step 3: Cross multiply
    7,049,432.62x = 9,728,183.07 × 3,993,639.58
  4. Step 4: Simplify right side
    7,049,432.62x = 38,850,856,949,837.91
  5. Step 5: Solve for x
    x = 38,850,856,949,837.91/7,049,432.62
  6. Step 6: Final answer
    x = 5,511,203.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.