Home / 8,682,655.50-11,982,064.59-4,815,768.78

Finding the Fourth Proportional to 8,682,655.50, 11,982,064.59 and 4,815,768.78

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Solution

The fourth proportional to 8,682,655.50, 11,982,064.59 and 4,815,768.78 is: 6,645,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682,655.50 : 11,982,064.59 = 4,815,768.78 : x
  2. Step 2: Convert to fraction form
    8,682,655.50/11,982,064.59 = 4,815,768.78/x
  3. Step 3: Cross multiply
    8,682,655.50x = 11,982,064.59 × 4,815,768.78
  4. Step 4: Simplify right side
    8,682,655.50x = 57,702,852,572,465.50
  5. Step 5: Solve for x
    x = 57,702,852,572,465.50/8,682,655.50
  6. Step 6: Final answer
    x = 6,645,760.92

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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.