Home / 12,453,078.42-18,680,177.13-3,816,546.15

Finding the Fourth Proportional to 12,453,078.42, 18,680,177.13 and 3,816,546.15

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Solution

The fourth proportional to 12,453,078.42, 18,680,177.13 and 3,816,546.15 is: 5,724,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453,078.42 : 18,680,177.13 = 3,816,546.15 : x
  2. Step 2: Convert to fraction form
    12,453,078.42/18,680,177.13 = 3,816,546.15/x
  3. Step 3: Cross multiply
    12,453,078.42x = 18,680,177.13 × 3,816,546.15
  4. Step 4: Simplify right side
    12,453,078.42x = 71,293,758,106,819.55
  5. Step 5: Solve for x
    x = 71,293,758,106,819.55/12,453,078.42
  6. Step 6: Final answer
    x = 5,724,990.70

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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.