Home / 21,419,519.12-32,133,887.93-6,647,322.48

Finding the Fourth Proportional to 21,419,519.12, 32,133,887.93 and 6,647,322.48

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Solution

The fourth proportional to 21,419,519.12, 32,133,887.93 and 6,647,322.48 is: 9,972,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,419,519.12 : 32,133,887.93 = 6,647,322.48 : x
  2. Step 2: Convert to fraction form
    21,419,519.12/32,133,887.93 = 6,647,322.48/x
  3. Step 3: Cross multiply
    21,419,519.12x = 32,133,887.93 × 6,647,322.48
  4. Step 4: Simplify right side
    21,419,519.12x = 213,604,315,598,580.53
  5. Step 5: Solve for x
    x = 213,604,315,598,580.53/21,419,519.12
  6. Step 6: Final answer
    x = 9,972,414.15

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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.