Home / 11,723,107.47-16,171,936.59-7,999,145.38

Finding the Fourth Proportional to 11,723,107.47, 16,171,936.59 and 7,999,145.38

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Solution

The fourth proportional to 11,723,107.47, 16,171,936.59 and 7,999,145.38 is: 11,034,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723,107.47 : 16,171,936.59 = 7,999,145.38 : x
  2. Step 2: Convert to fraction form
    11,723,107.47/16,171,936.59 = 7,999,145.38/x
  3. Step 3: Cross multiply
    11,723,107.47x = 16,171,936.59 × 7,999,145.38
  4. Step 4: Simplify right side
    11,723,107.47x = 129,361,671,864,767.97
  5. Step 5: Solve for x
    x = 129,361,671,864,767.97/11,723,107.47
  6. Step 6: Final answer
    x = 11,034,759.53

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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.