Home / 7,372,424.30-11,058,626.91-1,981,074.78

Finding the Fourth Proportional to 7,372,424.30, 11,058,626.91 and 1,981,074.78

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Solution

The fourth proportional to 7,372,424.30, 11,058,626.91 and 1,981,074.78 is: 2,971,609.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,424.30 : 11,058,626.91 = 1,981,074.78 : x
  2. Step 2: Convert to fraction form
    7,372,424.30/11,058,626.91 = 1,981,074.78/x
  3. Step 3: Cross multiply
    7,372,424.30x = 11,058,626.91 × 1,981,074.78
  4. Step 4: Simplify right side
    7,372,424.30x = 21,907,966,872,830.33
  5. Step 5: Solve for x
    x = 21,907,966,872,830.33/7,372,424.30
  6. Step 6: Final answer
    x = 2,971,609.61

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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.