Home / 8,611,845.67-12,908,896.57-3,821,790.79

Finding the Fourth Proportional to 8,611,845.67, 12,908,896.57 and 3,821,790.79

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Solution

The fourth proportional to 8,611,845.67, 12,908,896.57 and 3,821,790.79 is: 5,728,748.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,611,845.67 : 12,908,896.57 = 3,821,790.79 : x
  2. Step 2: Convert to fraction form
    8,611,845.67/12,908,896.57 = 3,821,790.79/x
  3. Step 3: Cross multiply
    8,611,845.67x = 12,908,896.57 × 3,821,790.79
  4. Step 4: Simplify right side
    8,611,845.67x = 49,335,102,020,288.59
  5. Step 5: Solve for x
    x = 49,335,102,020,288.59/8,611,845.67
  6. Step 6: Final answer
    x = 5,728,748.97

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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.