Home / 20,463,197.42-30,668,140.22-8,318,474.79

Finding the Fourth Proportional to 20,463,197.42, 30,668,140.22 and 8,318,474.79

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Solution

The fourth proportional to 20,463,197.42, 30,668,140.22 and 8,318,474.79 is: 12,466,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463,197.42 : 30,668,140.22 = 8,318,474.79 : x
  2. Step 2: Convert to fraction form
    20,463,197.42/30,668,140.22 = 8,318,474.79/x
  3. Step 3: Cross multiply
    20,463,197.42x = 30,668,140.22 × 8,318,474.79
  4. Step 4: Simplify right side
    20,463,197.42x = 255,112,151,234,662.69
  5. Step 5: Solve for x
    x = 255,112,151,234,662.69/20,463,197.42
  6. Step 6: Final answer
    x = 12,466,876.32

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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.