Home / 7,186,391.66-9,917,197.26-3,923,246.72

Finding the Fourth Proportional to 7,186,391.66, 9,917,197.26 and 3,923,246.72

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Solution

The fourth proportional to 7,186,391.66, 9,917,197.26 and 3,923,246.72 is: 5,414,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186,391.66 : 9,917,197.26 = 3,923,246.72 : x
  2. Step 2: Convert to fraction form
    7,186,391.66/9,917,197.26 = 3,923,246.72/x
  3. Step 3: Cross multiply
    7,186,391.66x = 9,917,197.26 × 3,923,246.72
  4. Step 4: Simplify right side
    7,186,391.66x = 38,907,611,621,887.99
  5. Step 5: Solve for x
    x = 38,907,611,621,887.99/7,186,391.66
  6. Step 6: Final answer
    x = 5,414,067.79

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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.