Home / 21,669,974.25-29,903,770.91-11,880,203.63

Finding the Fourth Proportional to 21,669,974.25, 29,903,770.91 and 11,880,203.63

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Solution

The fourth proportional to 21,669,974.25, 29,903,770.91 and 11,880,203.63 is: 16,394,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,974.25 : 29,903,770.91 = 11,880,203.63 : x
  2. Step 2: Convert to fraction form
    21,669,974.25/29,903,770.91 = 11,880,203.63/x
  3. Step 3: Cross multiply
    21,669,974.25x = 29,903,770.91 × 11,880,203.63
  4. Step 4: Simplify right side
    21,669,974.25x = 355,262,887,697,234.62
  5. Step 5: Solve for x
    x = 355,262,887,697,234.62/21,669,974.25
  6. Step 6: Final answer
    x = 16,394,245.96

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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.