Home / 18,003,207.40-27,001,900.38-6,649,003.24

Finding the Fourth Proportional to 18,003,207.40, 27,001,900.38 and 6,649,003.24

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Solution

The fourth proportional to 18,003,207.40, 27,001,900.38 and 6,649,003.24 is: 9,972,429.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003,207.40 : 27,001,900.38 = 6,649,003.24 : x
  2. Step 2: Convert to fraction form
    18,003,207.40/27,001,900.38 = 6,649,003.24/x
  3. Step 3: Cross multiply
    18,003,207.40x = 27,001,900.38 × 6,649,003.24
  4. Step 4: Simplify right side
    18,003,207.40x = 179,535,723,112,777.22
  5. Step 5: Solve for x
    x = 179,535,723,112,777.22/18,003,207.40
  6. Step 6: Final answer
    x = 9,972,429.86

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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.