Home / 8,109,321.57-11,190,893.42-4,388,152.60

Finding the Fourth Proportional to 8,109,321.57, 11,190,893.42 and 4,388,152.60

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Solution

The fourth proportional to 8,109,321.57, 11,190,893.42 and 4,388,152.60 is: 6,055,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,321.57 : 11,190,893.42 = 4,388,152.60 : x
  2. Step 2: Convert to fraction form
    8,109,321.57/11,190,893.42 = 4,388,152.60/x
  3. Step 3: Cross multiply
    8,109,321.57x = 11,190,893.42 × 4,388,152.60
  4. Step 4: Simplify right side
    8,109,321.57x = 49,107,348,007,377.89
  5. Step 5: Solve for x
    x = 49,107,348,007,377.89/8,109,321.57
  6. Step 6: Final answer
    x = 6,055,666.63

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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.