Home / 20,922,065.44-28,873,189.20-11,754,524.32

Finding the Fourth Proportional to 20,922,065.44, 28,873,189.20 and 11,754,524.32

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Solution

The fourth proportional to 20,922,065.44, 28,873,189.20 and 11,754,524.32 is: 16,221,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,922,065.44 : 28,873,189.20 = 11,754,524.32 : x
  2. Step 2: Convert to fraction form
    20,922,065.44/28,873,189.20 = 11,754,524.32/x
  3. Step 3: Cross multiply
    20,922,065.44x = 28,873,189.20 × 11,754,524.32
  4. Step 4: Simplify right side
    20,922,065.44x = 339,390,604,647,361.38
  5. Step 5: Solve for x
    x = 339,390,604,647,361.38/20,922,065.44
  6. Step 6: Final answer
    x = 16,221,658.69

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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.