Home / 28,787,665.58-43,219,806.09-15,150,388.70

Finding the Fourth Proportional to 28,787,665.58, 43,219,806.09 and 15,150,388.70

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Solution

The fourth proportional to 28,787,665.58, 43,219,806.09 and 15,150,388.70 is: 22,745,743.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787,665.58 : 43,219,806.09 = 15,150,388.70 : x
  2. Step 2: Convert to fraction form
    28,787,665.58/43,219,806.09 = 15,150,388.70/x
  3. Step 3: Cross multiply
    28,787,665.58x = 43,219,806.09 × 15,150,388.70
  4. Step 4: Simplify right side
    28,787,665.58x = 654,796,861,586,028.25
  5. Step 5: Solve for x
    x = 654,796,861,586,028.25/28,787,665.58
  6. Step 6: Final answer
    x = 22,745,743.65

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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.