Home / 13,187,908.80-19,766,116.80-5,511,538.80

Finding the Fourth Proportional to 13,187,908.80, 19,766,116.80 and 5,511,538.80

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Solution

The fourth proportional to 13,187,908.80, 19,766,116.80 and 5,511,538.80 is: 8,260,727.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,908.80 : 19,766,116.80 = 5,511,538.80 : x
  2. Step 2: Convert to fraction form
    13,187,908.80/19,766,116.80 = 5,511,538.80/x
  3. Step 3: Cross multiply
    13,187,908.80x = 19,766,116.80 × 5,511,538.80
  4. Step 4: Simplify right side
    13,187,908.80x = 108,941,719,668,531.84
  5. Step 5: Solve for x
    x = 108,941,719,668,531.84/13,187,908.80
  6. Step 6: Final answer
    x = 8,260,727.41

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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.