Home / 39,442,172.50-54,429,183.12-22,038,660.73

Finding the Fourth Proportional to 39,442,172.50, 54,429,183.12 and 22,038,660.73

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Solution

The fourth proportional to 39,442,172.50, 54,429,183.12 and 22,038,660.73 is: 30,412,784.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,442,172.50 : 54,429,183.12 = 22,038,660.73 : x
  2. Step 2: Convert to fraction form
    39,442,172.50/54,429,183.12 = 22,038,660.73/x
  3. Step 3: Cross multiply
    39,442,172.50x = 54,429,183.12 × 22,038,660.73
  4. Step 4: Simplify right side
    39,442,172.50x = 1,199,546,300,743,404.25
  5. Step 5: Solve for x
    x = 1,199,546,300,743,404.25/39,442,172.50
  6. Step 6: Final answer
    x = 30,412,784.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.