Home / 21,419,519.75-32,133,888.86-6,647,323.11

Finding the Fourth Proportional to 21,419,519.75, 32,133,888.86 and 6,647,323.11

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Solution

The fourth proportional to 21,419,519.75, 32,133,888.86 and 6,647,323.11 is: 9,972,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,519.75 : 32,133,888.86 = 6,647,323.11 : x
  2. Step 2: Convert to fraction form
    21,419,519.75/32,133,888.86 = 6,647,323.11/x
  3. Step 3: Cross multiply
    21,419,519.75x = 32,133,888.86 × 6,647,323.11
  4. Step 4: Simplify right side
    21,419,519.75x = 213,604,342,033,249.56
  5. Step 5: Solve for x
    x = 213,604,342,033,249.56/21,419,519.75
  6. Step 6: Final answer
    x = 9,972,415.09

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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.