Home / 6,378,278.16-9,571,900.44-5,768,449.54

Finding the Fourth Proportional to 6,378,278.16, 9,571,900.44 and 5,768,449.54

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Solution

The fourth proportional to 6,378,278.16, 9,571,900.44 and 5,768,449.54 is: 8,656,728.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,278.16 : 9,571,900.44 = 5,768,449.54 : x
  2. Step 2: Convert to fraction form
    6,378,278.16/9,571,900.44 = 5,768,449.54/x
  3. Step 3: Cross multiply
    6,378,278.16x = 9,571,900.44 × 5,768,449.54
  4. Step 4: Simplify right side
    6,378,278.16x = 55,215,024,690,043.80
  5. Step 5: Solve for x
    x = 55,215,024,690,043.80/6,378,278.16
  6. Step 6: Final answer
    x = 8,656,728.87

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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.