Home / 47,798,067.79-71,696,992.31-20,486,651.41

Finding the Fourth Proportional to 47,798,067.79, 71,696,992.31 and 20,486,651.41

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Solution

The fourth proportional to 47,798,067.79, 71,696,992.31 and 20,486,651.41 is: 30,729,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,798,067.79 : 71,696,992.31 = 20,486,651.41 : x
  2. Step 2: Convert to fraction form
    47,798,067.79/71,696,992.31 = 20,486,651.41/x
  3. Step 3: Cross multiply
    47,798,067.79x = 71,696,992.31 × 20,486,651.41
  4. Step 4: Simplify right side
    47,798,067.79x = 1,468,831,288,600,420.75
  5. Step 5: Solve for x
    x = 1,468,831,288,600,420.75/47,798,067.79
  6. Step 6: Final answer
    x = 30,729,930.24

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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.