Home / 21,436,472.75-29,582,601.45-11,647,080.42

Finding the Fourth Proportional to 21,436,472.75, 29,582,601.45 and 11,647,080.42

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Solution

The fourth proportional to 21,436,472.75, 29,582,601.45 and 11,647,080.42 is: 16,073,117.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,436,472.75 : 29,582,601.45 = 11,647,080.42 : x
  2. Step 2: Convert to fraction form
    21,436,472.75/29,582,601.45 = 11,647,080.42/x
  3. Step 3: Cross multiply
    21,436,472.75x = 29,582,601.45 × 11,647,080.42
  4. Step 4: Simplify right side
    21,436,472.75x = 344,550,938,132,749.44
  5. Step 5: Solve for x
    x = 344,550,938,132,749.44/21,436,472.75
  6. Step 6: Final answer
    x = 16,073,117.17

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1.5x scale

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.