Home / 7,025,629.80-9,695,120.94-3,969,778.44

Finding the Fourth Proportional to 7,025,629.80, 9,695,120.94 and 3,969,778.44

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Solution

The fourth proportional to 7,025,629.80, 9,695,120.94 and 3,969,778.44 is: 5,478,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025,629.80 : 9,695,120.94 = 3,969,778.44 : x
  2. Step 2: Convert to fraction form
    7,025,629.80/9,695,120.94 = 3,969,778.44/x
  3. Step 3: Cross multiply
    7,025,629.80x = 9,695,120.94 × 3,969,778.44
  4. Step 4: Simplify right side
    7,025,629.80x = 38,487,482,080,804.53
  5. Step 5: Solve for x
    x = 38,487,482,080,804.53/7,025,629.80
  6. Step 6: Final answer
    x = 5,478,154.01

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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.