Home / 6,491,198.27-8,910,945.58-5,571,831.31

Finding the Fourth Proportional to 6,491,198.27, 8,910,945.58 and 5,571,831.31

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Solution

The fourth proportional to 6,491,198.27, 8,910,945.58 and 5,571,831.31 is: 7,648,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491,198.27 : 8,910,945.58 = 5,571,831.31 : x
  2. Step 2: Convert to fraction form
    6,491,198.27/8,910,945.58 = 5,571,831.31/x
  3. Step 3: Cross multiply
    6,491,198.27x = 8,910,945.58 × 5,571,831.31
  4. Step 4: Simplify right side
    6,491,198.27x = 49,650,285,548,143.17
  5. Step 5: Solve for x
    x = 49,650,285,548,143.17/6,491,198.27
  6. Step 6: Final answer
    x = 7,648,862.89

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.