Home / 21,691,366.44-29,906,849.57-15,880,059.15

Finding the Fourth Proportional to 21,691,366.44, 29,906,849.57 and 15,880,059.15

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Solution

The fourth proportional to 21,691,366.44, 29,906,849.57 and 15,880,059.15 is: 21,894,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691,366.44 : 29,906,849.57 = 15,880,059.15 : x
  2. Step 2: Convert to fraction form
    21,691,366.44/29,906,849.57 = 15,880,059.15/x
  3. Step 3: Cross multiply
    21,691,366.44x = 29,906,849.57 × 15,880,059.15
  4. Step 4: Simplify right side
    21,691,366.44x = 474,922,540,082,351.81
  5. Step 5: Solve for x
    x = 474,922,540,082,351.81/21,691,366.44
  6. Step 6: Final answer
    x = 21,894,542.30

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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.