Home / 33,101,941.40-45,687,003.62-21,918,709.54

Finding the Fourth Proportional to 33,101,941.40, 45,687,003.62 and 21,918,709.54

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Solution

The fourth proportional to 33,101,941.40, 45,687,003.62 and 21,918,709.54 is: 30,252,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,101,941.40 : 45,687,003.62 = 21,918,709.54 : x
  2. Step 2: Convert to fraction form
    33,101,941.40/45,687,003.62 = 21,918,709.54/x
  3. Step 3: Cross multiply
    33,101,941.40x = 45,687,003.62 × 21,918,709.54
  4. Step 4: Simplify right side
    33,101,941.40x = 1,001,400,161,871,273.50
  5. Step 5: Solve for x
    x = 1,001,400,161,871,273.50/33,101,941.40
  6. Step 6: Final answer
    x = 30,252,006.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.