Home / 8,199,709.80-12,288,896.19-3,336,348.57

Finding the Fourth Proportional to 8,199,709.80, 12,288,896.19 and 3,336,348.57

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Solution

The fourth proportional to 8,199,709.80, 12,288,896.19 and 3,336,348.57 is: 5,000,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,709.80 : 12,288,896.19 = 3,336,348.57 : x
  2. Step 2: Convert to fraction form
    8,199,709.80/12,288,896.19 = 3,336,348.57/x
  3. Step 3: Cross multiply
    8,199,709.80x = 12,288,896.19 × 3,336,348.57
  4. Step 4: Simplify right side
    8,199,709.80x = 41,000,041,230,384.95
  5. Step 5: Solve for x
    x = 41,000,041,230,384.95/8,199,709.80
  6. Step 6: Final answer
    x = 5,000,181.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.