Home / 47,839,012.27-71,786,368.80-20,171,194.31

Finding the Fourth Proportional to 47,839,012.27, 71,786,368.80 and 20,171,194.31

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Solution

The fourth proportional to 47,839,012.27, 71,786,368.80 and 20,171,194.31 is: 30,268,534.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,839,012.27 : 71,786,368.80 = 20,171,194.31 : x
  2. Step 2: Convert to fraction form
    47,839,012.27/71,786,368.80 = 20,171,194.31/x
  3. Step 3: Cross multiply
    47,839,012.27x = 71,786,368.80 × 20,171,194.31
  4. Step 4: Simplify right side
    47,839,012.27x = 1,448,016,794,053,587.50
  5. Step 5: Solve for x
    x = 1,448,016,794,053,587.50/47,839,012.27
  6. Step 6: Final answer
    x = 30,268,534.52

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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.