Home / 7,382,819.20-11,074,228.80-3,393,731.20

Finding the Fourth Proportional to 7,382,819.20, 11,074,228.80 and 3,393,731.20

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Solution

The fourth proportional to 7,382,819.20, 11,074,228.80 and 3,393,731.20 is: 5,090,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382,819.20 : 11,074,228.80 = 3,393,731.20 : x
  2. Step 2: Convert to fraction form
    7,382,819.20/11,074,228.80 = 3,393,731.20/x
  3. Step 3: Cross multiply
    7,382,819.20x = 11,074,228.80 × 3,393,731.20
  4. Step 4: Simplify right side
    7,382,819.20x = 37,582,955,794,498.56
  5. Step 5: Solve for x
    x = 37,582,955,794,498.56/7,382,819.20
  6. Step 6: Final answer
    x = 5,090,596.80

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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.