Home / 8,682,646-11,982,051.48-4,815,759.28

Finding the Fourth Proportional to 8,682,646, 11,982,051.48 and 4,815,759.28

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Solution

The fourth proportional to 8,682,646, 11,982,051.48 and 4,815,759.28 is: 6,645,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,646 : 11,982,051.48 = 4,815,759.28 : x
  2. Step 2: Convert to fraction form
    8,682,646/11,982,051.48 = 4,815,759.28/x
  3. Step 3: Cross multiply
    8,682,646x = 11,982,051.48 × 4,815,759.28
  4. Step 4: Simplify right side
    8,682,646x = 57,702,675,608,247.74
  5. Step 5: Solve for x
    x = 57,702,675,608,247.74/8,682,646
  6. Step 6: Final answer
    x = 6,645,747.81

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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.