Home / 7,079,011.72-9,768,725.22-3,981,793.48

Finding the Fourth Proportional to 7,079,011.72, 9,768,725.22 and 3,981,793.48

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Solution

The fourth proportional to 7,079,011.72, 9,768,725.22 and 3,981,793.48 is: 5,494,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,011.72 : 9,768,725.22 = 3,981,793.48 : x
  2. Step 2: Convert to fraction form
    7,079,011.72/9,768,725.22 = 3,981,793.48/x
  3. Step 3: Cross multiply
    7,079,011.72x = 9,768,725.22 × 3,981,793.48
  4. Step 4: Simplify right side
    7,079,011.72x = 38,897,046,388,907.57
  5. Step 5: Solve for x
    x = 38,897,046,388,907.57/7,079,011.72
  6. Step 6: Final answer
    x = 5,494,700.10

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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.