Home / 20,221,743.20-30,269,629.20-14,553,039.20

Finding the Fourth Proportional to 20,221,743.20, 30,269,629.20 and 14,553,039.20

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Solution

The fourth proportional to 20,221,743.20, 30,269,629.20 and 14,553,039.20 is: 21,784,229.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,221,743.20 : 30,269,629.20 = 14,553,039.20 : x
  2. Step 2: Convert to fraction form
    20,221,743.20/30,269,629.20 = 14,553,039.20/x
  3. Step 3: Cross multiply
    20,221,743.20x = 30,269,629.20 × 14,553,039.20
  4. Step 4: Simplify right side
    20,221,743.20x = 440,515,100,317,064.62
  5. Step 5: Solve for x
    x = 440,515,100,317,064.62/20,221,743.20
  6. Step 6: Final answer
    x = 21,784,229.77

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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.