Home / 18,144,380.40-27,195,575.40-7,356,346.80

Finding the Fourth Proportional to 18,144,380.40, 27,195,575.40 and 7,356,346.80

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Solution

The fourth proportional to 18,144,380.40, 27,195,575.40 and 7,356,346.80 is: 11,026,008.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144,380.40 : 27,195,575.40 = 7,356,346.80 : x
  2. Step 2: Convert to fraction form
    18,144,380.40/27,195,575.40 = 7,356,346.80/x
  3. Step 3: Cross multiply
    18,144,380.40x = 27,195,575.40 × 7,356,346.80
  4. Step 4: Simplify right side
    18,144,380.40x = 200,060,084,067,948.72
  5. Step 5: Solve for x
    x = 200,060,084,067,948.72/18,144,380.40
  6. Step 6: Final answer
    x = 11,026,008.03

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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.