Home / 7,110,866.78-9,812,964.66-3,847,739.30

Finding the Fourth Proportional to 7,110,866.78, 9,812,964.66 and 3,847,739.30

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Solution

The fourth proportional to 7,110,866.78, 9,812,964.66 and 3,847,739.30 is: 5,309,863.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110,866.78 : 9,812,964.66 = 3,847,739.30 : x
  2. Step 2: Convert to fraction form
    7,110,866.78/9,812,964.66 = 3,847,739.30/x
  3. Step 3: Cross multiply
    7,110,866.78x = 9,812,964.66 × 3,847,739.30
  4. Step 4: Simplify right side
    7,110,866.78x = 37,757,729,821,939.37
  5. Step 5: Solve for x
    x = 37,757,729,821,939.37/7,110,866.78
  6. Step 6: Final answer
    x = 5,309,863.20

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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.