Home / 7,285,540.80-10,928,841.60-2,797,816.80

Finding the Fourth Proportional to 7,285,540.80, 10,928,841.60 and 2,797,816.80

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Solution

The fourth proportional to 7,285,540.80, 10,928,841.60 and 2,797,816.80 is: 4,196,928.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285,540.80 : 10,928,841.60 = 2,797,816.80 : x
  2. Step 2: Convert to fraction form
    7,285,540.80/10,928,841.60 = 2,797,816.80/x
  3. Step 3: Cross multiply
    7,285,540.80x = 10,928,841.60 × 2,797,816.80
  4. Step 4: Simplify right side
    7,285,540.80x = 30,576,896,633,018.88
  5. Step 5: Solve for x
    x = 30,576,896,633,018.88/7,285,540.80
  6. Step 6: Final answer
    x = 4,196,928.89

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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.