Home / 20,372,097.92-30,560,139.84-7,421,766.08

Finding the Fourth Proportional to 20,372,097.92, 30,560,139.84 and 7,421,766.08

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Solution

The fourth proportional to 20,372,097.92, 30,560,139.84 and 7,421,766.08 is: 11,133,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,372,097.92 : 30,560,139.84 = 7,421,766.08 : x
  2. Step 2: Convert to fraction form
    20,372,097.92/30,560,139.84 = 7,421,766.08/x
  3. Step 3: Cross multiply
    20,372,097.92x = 30,560,139.84 × 7,421,766.08
  4. Step 4: Simplify right side
    20,372,097.92x = 226,810,209,264,568.62
  5. Step 5: Solve for x
    x = 226,810,209,264,568.62/20,372,097.92
  6. Step 6: Final answer
    x = 11,133,375.18

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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.