Home / 21,331,344.20-31,993,905.90-6,183,696.20

Finding the Fourth Proportional to 21,331,344.20, 31,993,905.90 and 6,183,696.20

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Solution

The fourth proportional to 21,331,344.20, 31,993,905.90 and 6,183,696.20 is: 9,274,642.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,331,344.20 : 31,993,905.90 = 6,183,696.20 : x
  2. Step 2: Convert to fraction form
    21,331,344.20/31,993,905.90 = 6,183,696.20/x
  3. Step 3: Cross multiply
    21,331,344.20x = 31,993,905.90 × 6,183,696.20
  4. Step 4: Simplify right side
    21,331,344.20x = 197,840,594,336,987.56
  5. Step 5: Solve for x
    x = 197,840,594,336,987.56/21,331,344.20
  6. Step 6: Final answer
    x = 9,274,642.63

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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.