Home / 21,729,211.70-32,546,578.35-13,194,662.90

Finding the Fourth Proportional to 21,729,211.70, 32,546,578.35 and 13,194,662.90

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Solution

The fourth proportional to 21,729,211.70, 32,546,578.35 and 13,194,662.90 is: 19,763,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,729,211.70 : 32,546,578.35 = 13,194,662.90 : x
  2. Step 2: Convert to fraction form
    21,729,211.70/32,546,578.35 = 13,194,662.90/x
  3. Step 3: Cross multiply
    21,729,211.70x = 32,546,578.35 × 13,194,662.90
  4. Step 4: Simplify right side
    21,729,211.70x = 429,441,129,876,688.25
  5. Step 5: Solve for x
    x = 429,441,129,876,688.25/21,729,211.70
  6. Step 6: Final answer
    x = 19,763,309.22

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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.