Home / 8,540,067.92-11,785,188.68-4,672,533.36

Finding the Fourth Proportional to 8,540,067.92, 11,785,188.68 and 4,672,533.36

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Solution

The fourth proportional to 8,540,067.92, 11,785,188.68 and 4,672,533.36 is: 6,448,038.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,067.92 : 11,785,188.68 = 4,672,533.36 : x
  2. Step 2: Convert to fraction form
    8,540,067.92/11,785,188.68 = 4,672,533.36/x
  3. Step 3: Cross multiply
    8,540,067.92x = 11,785,188.68 × 4,672,533.36
  4. Step 4: Simplify right side
    8,540,067.92x = 55,066,687,261,194.37
  5. Step 5: Solve for x
    x = 55,066,687,261,194.37/8,540,067.92
  6. Step 6: Final answer
    x = 6,448,038.56

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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.