Home / 7,190,919.83-9,923,410.39-3,927,736.61

Finding the Fourth Proportional to 7,190,919.83, 9,923,410.39 and 3,927,736.61

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Solution

The fourth proportional to 7,190,919.83, 9,923,410.39 and 3,927,736.61 is: 5,420,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190,919.83 : 9,923,410.39 = 3,927,736.61 : x
  2. Step 2: Convert to fraction form
    7,190,919.83/9,923,410.39 = 3,927,736.61/x
  3. Step 3: Cross multiply
    7,190,919.83x = 9,923,410.39 × 3,927,736.61
  4. Step 4: Simplify right side
    7,190,919.83x = 38,976,542,299,846.55
  5. Step 5: Solve for x
    x = 38,976,542,299,846.55/7,190,919.83
  6. Step 6: Final answer
    x = 5,420,244.31

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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.