Home / 20,522,790.42-30,784,972.97-9,163,337.46

Finding the Fourth Proportional to 20,522,790.42, 30,784,972.97 and 9,163,337.46

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Solution

The fourth proportional to 20,522,790.42, 30,784,972.97 and 9,163,337.46 is: 13,745,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,790.42 : 30,784,972.97 = 9,163,337.46 : x
  2. Step 2: Convert to fraction form
    20,522,790.42/30,784,972.97 = 9,163,337.46/x
  3. Step 3: Cross multiply
    20,522,790.42x = 30,784,972.97 × 9,163,337.46
  4. Step 4: Simplify right side
    20,522,790.42x = 282,093,096,021,088.50
  5. Step 5: Solve for x
    x = 282,093,096,021,088.50/20,522,790.42
  6. Step 6: Final answer
    x = 13,745,357.73

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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.