Home / 15,812,680.52-21,821,517.78-8,569,336.52

Finding the Fourth Proportional to 15,812,680.52, 21,821,517.78 and 8,569,336.52

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Solution

The fourth proportional to 15,812,680.52, 21,821,517.78 and 8,569,336.52 is: 11,825,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812,680.52 : 21,821,517.78 = 8,569,336.52 : x
  2. Step 2: Convert to fraction form
    15,812,680.52/21,821,517.78 = 8,569,336.52/x
  3. Step 3: Cross multiply
    15,812,680.52x = 21,821,517.78 × 8,569,336.52
  4. Step 4: Simplify right side
    15,812,680.52x = 186,995,929,233,983.31
  5. Step 5: Solve for x
    x = 186,995,929,233,983.31/15,812,680.52
  6. Step 6: Final answer
    x = 11,825,694.51

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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.