Home / 8,815,789.20-12,166,093.64-4,895,611.28

Finding the Fourth Proportional to 8,815,789.20, 12,166,093.64 and 4,895,611.28

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Solution

The fourth proportional to 8,815,789.20, 12,166,093.64 and 4,895,611.28 is: 6,756,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815,789.20 : 12,166,093.64 = 4,895,611.28 : x
  2. Step 2: Convert to fraction form
    8,815,789.20/12,166,093.64 = 4,895,611.28/x
  3. Step 3: Cross multiply
    8,815,789.20x = 12,166,093.64 × 4,895,611.28
  4. Step 4: Simplify right side
    8,815,789.20x = 59,560,465,257,520.27
  5. Step 5: Solve for x
    x = 59,560,465,257,520.27/8,815,789.20
  6. Step 6: Final answer
    x = 6,756,112.69

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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.