Home / 11,978,028.80-17,967,043.20-10,088,460.80

Finding the Fourth Proportional to 11,978,028.80, 17,967,043.20 and 10,088,460.80

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Solution

The fourth proportional to 11,978,028.80, 17,967,043.20 and 10,088,460.80 is: 15,132,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,028.80 : 17,967,043.20 = 10,088,460.80 : x
  2. Step 2: Convert to fraction form
    11,978,028.80/17,967,043.20 = 10,088,460.80/x
  3. Step 3: Cross multiply
    11,978,028.80x = 17,967,043.20 × 10,088,460.80
  4. Step 4: Simplify right side
    11,978,028.80x = 181,259,811,015,106.56
  5. Step 5: Solve for x
    x = 181,259,811,015,106.56/11,978,028.80
  6. Step 6: Final answer
    x = 15,132,691.20

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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.