Home / 8,519,801.09-12,770,235.54-6,491,357.69

Finding the Fourth Proportional to 8,519,801.09, 12,770,235.54 and 6,491,357.69

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Solution

The fourth proportional to 8,519,801.09, 12,770,235.54 and 6,491,357.69 is: 9,729,824.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519,801.09 : 12,770,235.54 = 6,491,357.69 : x
  2. Step 2: Convert to fraction form
    8,519,801.09/12,770,235.54 = 6,491,357.69/x
  3. Step 3: Cross multiply
    8,519,801.09x = 12,770,235.54 × 6,491,357.69
  4. Step 4: Simplify right side
    8,519,801.09x = 82,896,166,611,839.11
  5. Step 5: Solve for x
    x = 82,896,166,611,839.11/8,519,801.09
  6. Step 6: Final answer
    x = 9,729,824.18

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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.