Home / 18,801,412.80-28,202,119.20-5,336,491.20

Finding the Fourth Proportional to 18,801,412.80, 28,202,119.20 and 5,336,491.20

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Solution

The fourth proportional to 18,801,412.80, 28,202,119.20 and 5,336,491.20 is: 8,004,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801,412.80 : 28,202,119.20 = 5,336,491.20 : x
  2. Step 2: Convert to fraction form
    18,801,412.80/28,202,119.20 = 5,336,491.20/x
  3. Step 3: Cross multiply
    18,801,412.80x = 28,202,119.20 × 5,336,491.20
  4. Step 4: Simplify right side
    18,801,412.80x = 150,500,360,932,151.03
  5. Step 5: Solve for x
    x = 150,500,360,932,151.03/18,801,412.80
  6. Step 6: Final answer
    x = 8,004,736.80

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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.