Home / 7,380,921.68-11,074,578.78-3,965,222.96

Finding the Fourth Proportional to 7,380,921.68, 11,074,578.78 and 3,965,222.96

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Solution

The fourth proportional to 7,380,921.68, 11,074,578.78 and 3,965,222.96 is: 5,949,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,921.68 : 11,074,578.78 = 3,965,222.96 : x
  2. Step 2: Convert to fraction form
    7,380,921.68/11,074,578.78 = 3,965,222.96/x
  3. Step 3: Cross multiply
    7,380,921.68x = 11,074,578.78 × 3,965,222.96
  4. Step 4: Simplify right side
    7,380,921.68x = 43,913,174,050,784.79
  5. Step 5: Solve for x
    x = 43,913,174,050,784.79/7,380,921.68
  6. Step 6: Final answer
    x = 5,949,551.55

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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.