Home / 14,508,441.06-20,021,647.74-7,981,930.35

Finding the Fourth Proportional to 14,508,441.06, 20,021,647.74 and 7,981,930.35

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Solution

The fourth proportional to 14,508,441.06, 20,021,647.74 and 7,981,930.35 is: 11,015,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508,441.06 : 20,021,647.74 = 7,981,930.35 : x
  2. Step 2: Convert to fraction form
    14,508,441.06/20,021,647.74 = 7,981,930.35/x
  3. Step 3: Cross multiply
    14,508,441.06x = 20,021,647.74 × 7,981,930.35
  4. Step 4: Simplify right side
    14,508,441.06x = 159,811,397,722,982.66
  5. Step 5: Solve for x
    x = 159,811,397,722,982.66/14,508,441.06
  6. Step 6: Final answer
    x = 11,015,063.38

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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.