Home / 20,218,318.20-30,335,771.70-7,444,942.20

Finding the Fourth Proportional to 20,218,318.20, 30,335,771.70 and 7,444,942.20

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Solution

The fourth proportional to 20,218,318.20, 30,335,771.70 and 7,444,942.20 is: 11,170,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,218,318.20 : 30,335,771.70 = 7,444,942.20 : x
  2. Step 2: Convert to fraction form
    20,218,318.20/30,335,771.70 = 7,444,942.20/x
  3. Step 3: Cross multiply
    20,218,318.20x = 30,335,771.70 × 7,444,942.20
  4. Step 4: Simplify right side
    20,218,318.20x = 225,848,066,898,895.75
  5. Step 5: Solve for x
    x = 225,848,066,898,895.75/20,218,318.20
  6. Step 6: Final answer
    x = 11,170,467.53

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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.