Home / 21,322,985.25-31,984,451.91-6,946,029.57

Finding the Fourth Proportional to 21,322,985.25, 31,984,451.91 and 6,946,029.57

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Solution

The fourth proportional to 21,322,985.25, 31,984,451.91 and 6,946,029.57 is: 10,419,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322,985.25 : 31,984,451.91 = 6,946,029.57 : x
  2. Step 2: Convert to fraction form
    21,322,985.25/31,984,451.91 = 6,946,029.57/x
  3. Step 3: Cross multiply
    21,322,985.25x = 31,984,451.91 × 6,946,029.57
  4. Step 4: Simplify right side
    21,322,985.25x = 222,164,948,747,103
  5. Step 5: Solve for x
    x = 222,164,948,747,103/21,322,985.25
  6. Step 6: Final answer
    x = 10,419,035.90

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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.