Home / 31,121,836.70-46,684,997.06-11,952,593.78

Finding the Fourth Proportional to 31,121,836.70, 46,684,997.06 and 11,952,593.78

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Solution

The fourth proportional to 31,121,836.70, 46,684,997.06 and 11,952,593.78 is: 17,929,751.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121,836.70 : 46,684,997.06 = 11,952,593.78 : x
  2. Step 2: Convert to fraction form
    31,121,836.70/46,684,997.06 = 11,952,593.78/x
  3. Step 3: Cross multiply
    31,121,836.70x = 46,684,997.06 × 11,952,593.78
  4. Step 4: Simplify right side
    31,121,836.70x = 558,006,805,185,486.38
  5. Step 5: Solve for x
    x = 558,006,805,185,486.38/31,121,836.70
  6. Step 6: Final answer
    x = 17,929,751.73

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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.