Home / 18,064,066.87-27,088,460.84-7,278,471.78

Finding the Fourth Proportional to 18,064,066.87, 27,088,460.84 and 7,278,471.78

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Solution

The fourth proportional to 18,064,066.87, 27,088,460.84 and 7,278,471.78 is: 10,914,629.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064,066.87 : 27,088,460.84 = 7,278,471.78 : x
  2. Step 2: Convert to fraction form
    18,064,066.87/27,088,460.84 = 7,278,471.78/x
  3. Step 3: Cross multiply
    18,064,066.87x = 27,088,460.84 × 7,278,471.78
  4. Step 4: Simplify right side
    18,064,066.87x = 197,162,597,704,189.56
  5. Step 5: Solve for x
    x = 197,162,597,704,189.56/18,064,066.87
  6. Step 6: Final answer
    x = 10,914,629.53

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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.