Home / 12,628,872.41-17,427,845.33-6,827,652.61

Finding the Fourth Proportional to 12,628,872.41, 17,427,845.33 and 6,827,652.61

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Solution

The fourth proportional to 12,628,872.41, 17,427,845.33 and 6,827,652.61 is: 9,422,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,628,872.41 : 17,427,845.33 = 6,827,652.61 : x
  2. Step 2: Convert to fraction form
    12,628,872.41/17,427,845.33 = 6,827,652.61/x
  3. Step 3: Cross multiply
    12,628,872.41x = 17,427,845.33 × 6,827,652.61
  4. Step 4: Simplify right side
    12,628,872.41x = 118,991,273,640,352.19
  5. Step 5: Solve for x
    x = 118,991,273,640,352.19/12,628,872.41
  6. Step 6: Final answer
    x = 9,422,161.36

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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.