Home / 12,376,634.63-17,078,900.76-6,869,576.25

Finding the Fourth Proportional to 12,376,634.63, 17,078,900.76 and 6,869,576.25

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Solution

The fourth proportional to 12,376,634.63, 17,078,900.76 and 6,869,576.25 is: 9,479,540.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,634.63 : 17,078,900.76 = 6,869,576.25 : x
  2. Step 2: Convert to fraction form
    12,376,634.63/17,078,900.76 = 6,869,576.25/x
  3. Step 3: Cross multiply
    12,376,634.63x = 17,078,900.76 × 6,869,576.25
  4. Step 4: Simplify right side
    12,376,634.63x = 117,324,811,037,002.97
  5. Step 5: Solve for x
    x = 117,324,811,037,002.97/12,376,634.63
  6. Step 6: Final answer
    x = 9,479,540.65

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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.