Home / 18,650,672.70-27,976,009.05-11,073,738.30

Finding the Fourth Proportional to 18,650,672.70, 27,976,009.05 and 11,073,738.30

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Solution

The fourth proportional to 18,650,672.70, 27,976,009.05 and 11,073,738.30 is: 16,610,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,672.70 : 27,976,009.05 = 11,073,738.30 : x
  2. Step 2: Convert to fraction form
    18,650,672.70/27,976,009.05 = 11,073,738.30/x
  3. Step 3: Cross multiply
    18,650,672.70x = 27,976,009.05 × 11,073,738.30
  4. Step 4: Simplify right side
    18,650,672.70x = 309,799,002,898,131.62
  5. Step 5: Solve for x
    x = 309,799,002,898,131.62/18,650,672.70
  6. Step 6: Final answer
    x = 16,610,607.45

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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.