Home / 28,378,350.91-39,162,122.75-15,325,608.56

Finding the Fourth Proportional to 28,378,350.91, 39,162,122.75 and 15,325,608.56

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Solution

The fourth proportional to 28,378,350.91, 39,162,122.75 and 15,325,608.56 is: 21,149,339.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,378,350.91 : 39,162,122.75 = 15,325,608.56 : x
  2. Step 2: Convert to fraction form
    28,378,350.91/39,162,122.75 = 15,325,608.56/x
  3. Step 3: Cross multiply
    28,378,350.91x = 39,162,122.75 × 15,325,608.56
  4. Step 4: Simplify right side
    28,378,350.91x = 600,183,363,621,754.62
  5. Step 5: Solve for x
    x = 600,183,363,621,754.62/28,378,350.91
  6. Step 6: Final answer
    x = 21,149,339.00

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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.