Home / 13,754,356.20-18,980,611.22-7,873,791.89

Finding the Fourth Proportional to 13,754,356.20, 18,980,611.22 and 7,873,791.89

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Solution

The fourth proportional to 13,754,356.20, 18,980,611.22 and 7,873,791.89 is: 10,865,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754,356.20 : 18,980,611.22 = 7,873,791.89 : x
  2. Step 2: Convert to fraction form
    13,754,356.20/18,980,611.22 = 7,873,791.89/x
  3. Step 3: Cross multiply
    13,754,356.20x = 18,980,611.22 × 7,873,791.89
  4. Step 4: Simplify right side
    13,754,356.20x = 149,449,382,557,007
  5. Step 5: Solve for x
    x = 149,449,382,557,007/13,754,356.20
  6. Step 6: Final answer
    x = 10,865,603.62

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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.