Home / 18,589,285.66-25,642,529.78-11,607,843.97

Finding the Fourth Proportional to 18,589,285.66, 25,642,529.78 and 11,607,843.97

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Solution

The fourth proportional to 18,589,285.66, 25,642,529.78 and 11,607,843.97 is: 16,012,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,589,285.66 : 25,642,529.78 = 11,607,843.97 : x
  2. Step 2: Convert to fraction form
    18,589,285.66/25,642,529.78 = 11,607,843.97/x
  3. Step 3: Cross multiply
    18,589,285.66x = 25,642,529.78 × 11,607,843.97
  4. Step 4: Simplify right side
    18,589,285.66x = 297,654,484,496,066.56
  5. Step 5: Solve for x
    x = 297,654,484,496,066.56/18,589,285.66
  6. Step 6: Final answer
    x = 16,012,152.91

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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.