Home / 9,515,694.94-13,131,625.89-5,164,781.23

Finding the Fourth Proportional to 9,515,694.94, 13,131,625.89 and 5,164,781.23

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Solution

The fourth proportional to 9,515,694.94, 13,131,625.89 and 5,164,781.23 is: 7,127,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,694.94 : 13,131,625.89 = 5,164,781.23 : x
  2. Step 2: Convert to fraction form
    9,515,694.94/13,131,625.89 = 5,164,781.23/x
  3. Step 3: Cross multiply
    9,515,694.94x = 13,131,625.89 × 5,164,781.23
  4. Step 4: Simplify right side
    9,515,694.94x = 67,821,974,916,054.05
  5. Step 5: Solve for x
    x = 67,821,974,916,054.05/9,515,694.94
  6. Step 6: Final answer
    x = 7,127,380.12

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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.