Home / 6,243,076.25-8,615,380.12-3,664,258.80

Finding the Fourth Proportional to 6,243,076.25, 8,615,380.12 and 3,664,258.80

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Solution

The fourth proportional to 6,243,076.25, 8,615,380.12 and 3,664,258.80 is: 5,056,638.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243,076.25 : 8,615,380.12 = 3,664,258.80 : x
  2. Step 2: Convert to fraction form
    6,243,076.25/8,615,380.12 = 3,664,258.80/x
  3. Step 3: Cross multiply
    6,243,076.25x = 8,615,380.12 × 3,664,258.80
  4. Step 4: Simplify right side
    6,243,076.25x = 31,568,982,378,586.73
  5. Step 5: Solve for x
    x = 31,568,982,378,586.73/6,243,076.25
  6. Step 6: Final answer
    x = 5,056,638.93

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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.