Home / 16,131,859.11-22,261,684.05-8,789,753.03

Finding the Fourth Proportional to 16,131,859.11, 22,261,684.05 and 8,789,753.03

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Solution

The fourth proportional to 16,131,859.11, 22,261,684.05 and 8,789,753.03 is: 12,129,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,131,859.11 : 22,261,684.05 = 8,789,753.03 : x
  2. Step 2: Convert to fraction form
    16,131,859.11/22,261,684.05 = 8,789,753.03/x
  3. Step 3: Cross multiply
    16,131,859.11x = 22,261,684.05 × 8,789,753.03
  4. Step 4: Simplify right side
    16,131,859.11x = 195,674,704,720,081.78
  5. Step 5: Solve for x
    x = 195,674,704,720,081.78/16,131,859.11
  6. Step 6: Final answer
    x = 12,129,705.78

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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.