Home / 8,682,649-11,982,055.62-4,815,762.28

Finding the Fourth Proportional to 8,682,649, 11,982,055.62 and 4,815,762.28

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Solution

The fourth proportional to 8,682,649, 11,982,055.62 and 4,815,762.28 is: 6,645,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,649 : 11,982,055.62 = 4,815,762.28 : x
  2. Step 2: Convert to fraction form
    8,682,649/11,982,055.62 = 4,815,762.28/x
  3. Step 3: Cross multiply
    8,682,649x = 11,982,055.62 × 4,815,762.28
  4. Step 4: Simplify right side
    8,682,649x = 57,702,731,491,658.02
  5. Step 5: Solve for x
    x = 57,702,731,491,658.02/8,682,649
  6. Step 6: Final answer
    x = 6,645,751.95

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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.