Home / 31,715,682-43,763,928-18,660,069.60

Finding the Fourth Proportional to 31,715,682, 43,763,928 and 18,660,069.60

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Solution

The fourth proportional to 31,715,682, 43,763,928 and 18,660,069.60 is: 25,748,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,715,682 : 43,763,928 = 18,660,069.60 : x
  2. Step 2: Convert to fraction form
    31,715,682/43,763,928 = 18,660,069.60/x
  3. Step 3: Cross multiply
    31,715,682x = 43,763,928 × 18,660,069.60
  4. Step 4: Simplify right side
    31,715,682x = 816,637,942,449,388.88
  5. Step 5: Solve for x
    x = 816,637,942,449,388.88/31,715,682
  6. Step 6: Final answer
    x = 25,748,711.39

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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.