Home / 11,961,691.94-17,916,289.09-9,888,859.91

Finding the Fourth Proportional to 11,961,691.94, 17,916,289.09 and 9,888,859.91

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Solution

The fourth proportional to 11,961,691.94, 17,916,289.09 and 9,888,859.91 is: 14,811,589.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961,691.94 : 17,916,289.09 = 9,888,859.91 : x
  2. Step 2: Convert to fraction form
    11,961,691.94/17,916,289.09 = 9,888,859.91/x
  3. Step 3: Cross multiply
    11,961,691.94x = 17,916,289.09 × 9,888,859.91
  4. Step 4: Simplify right side
    11,961,691.94x = 177,171,672,918,071.38
  5. Step 5: Solve for x
    x = 177,171,672,918,071.38/11,961,691.94
  6. Step 6: Final answer
    x = 14,811,589.69

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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.