Home / 6,778,624.80-10,169,658.27-3,137,979.36

Finding the Fourth Proportional to 6,778,624.80, 10,169,658.27 and 3,137,979.36

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Solution

The fourth proportional to 6,778,624.80, 10,169,658.27 and 3,137,979.36 is: 4,707,765.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778,624.80 : 10,169,658.27 = 3,137,979.36 : x
  2. Step 2: Convert to fraction form
    6,778,624.80/10,169,658.27 = 3,137,979.36/x
  3. Step 3: Cross multiply
    6,778,624.80x = 10,169,658.27 × 3,137,979.36
  4. Step 4: Simplify right side
    6,778,624.80x = 31,912,177,749,513.30
  5. Step 5: Solve for x
    x = 31,912,177,749,513.30/6,778,624.80
  6. Step 6: Final answer
    x = 4,707,765.76

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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.