Home / 9,981,910.35-13,775,077.80-5,398,231.73

Finding the Fourth Proportional to 9,981,910.35, 13,775,077.80 and 5,398,231.73

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Solution

The fourth proportional to 9,981,910.35, 13,775,077.80 and 5,398,231.73 is: 7,449,582.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981,910.35 : 13,775,077.80 = 5,398,231.73 : x
  2. Step 2: Convert to fraction form
    9,981,910.35/13,775,077.80 = 5,398,231.73/x
  3. Step 3: Cross multiply
    9,981,910.35x = 13,775,077.80 × 5,398,231.73
  4. Step 4: Simplify right side
    9,981,910.35x = 74,361,061,994,303.20
  5. Step 5: Solve for x
    x = 74,361,061,994,303.20/9,981,910.35
  6. Step 6: Final answer
    x = 7,449,582.23

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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.