Home / 7,972,182.90-11,952,481.23-3,178,434.42

Finding the Fourth Proportional to 7,972,182.90, 11,952,481.23 and 3,178,434.42

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Solution

The fourth proportional to 7,972,182.90, 11,952,481.23 and 3,178,434.42 is: 4,765,341.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,182.90 : 11,952,481.23 = 3,178,434.42 : x
  2. Step 2: Convert to fraction form
    7,972,182.90/11,952,481.23 = 3,178,434.42/x
  3. Step 3: Cross multiply
    7,972,182.90x = 11,952,481.23 × 3,178,434.42
  4. Step 4: Simplify right side
    7,972,182.90x = 37,990,177,745,835.94
  5. Step 5: Solve for x
    x = 37,990,177,745,835.94/7,972,182.90
  6. Step 6: Final answer
    x = 4,765,341.97

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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.