Home / 6,322,891.20-9,456,343.20-5,315,121.60

Finding the Fourth Proportional to 6,322,891.20, 9,456,343.20 and 5,315,121.60

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Solution

The fourth proportional to 6,322,891.20, 9,456,343.20 and 5,315,121.60 is: 7,949,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322,891.20 : 9,456,343.20 = 5,315,121.60 : x
  2. Step 2: Convert to fraction form
    6,322,891.20/9,456,343.20 = 5,315,121.60/x
  3. Step 3: Cross multiply
    6,322,891.20x = 9,456,343.20 × 5,315,121.60
  4. Step 4: Simplify right side
    6,322,891.20x = 50,261,613,999,333.11
  5. Step 5: Solve for x
    x = 50,261,613,999,333.11/6,322,891.20
  6. Step 6: Final answer
    x = 7,949,150.54

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1.5x scale

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.