Home / 20,431,523.43-28,194,226.88-11,264,166.18

Finding the Fourth Proportional to 20,431,523.43, 28,194,226.88 and 11,264,166.18

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Solution

The fourth proportional to 20,431,523.43, 28,194,226.88 and 11,264,166.18 is: 15,543,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,431,523.43 : 28,194,226.88 = 11,264,166.18 : x
  2. Step 2: Convert to fraction form
    20,431,523.43/28,194,226.88 = 11,264,166.18/x
  3. Step 3: Cross multiply
    20,431,523.43x = 28,194,226.88 × 11,264,166.18
  4. Step 4: Simplify right side
    20,431,523.43x = 317,584,456,836,622.06
  5. Step 5: Solve for x
    x = 317,584,456,836,622.06/20,431,523.43
  6. Step 6: Final answer
    x = 15,543,846.15

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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.