Home / 22,143,815.60-33,215,723.40-20,159,769.20

Finding the Fourth Proportional to 22,143,815.60, 33,215,723.40 and 20,159,769.20

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Solution

The fourth proportional to 22,143,815.60, 33,215,723.40 and 20,159,769.20 is: 30,239,653.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143,815.60 : 33,215,723.40 = 20,159,769.20 : x
  2. Step 2: Convert to fraction form
    22,143,815.60/33,215,723.40 = 20,159,769.20/x
  3. Step 3: Cross multiply
    22,143,815.60x = 33,215,723.40 × 20,159,769.20
  4. Step 4: Simplify right side
    22,143,815.60x = 669,621,317,555,039.25
  5. Step 5: Solve for x
    x = 669,621,317,555,039.25/22,143,815.60
  6. Step 6: Final answer
    x = 30,239,653.80

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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.