Home / 37,321,921.80-55,982,882.70-21,179,401.43

Finding the Fourth Proportional to 37,321,921.80, 55,982,882.70 and 21,179,401.43

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Solution

The fourth proportional to 37,321,921.80, 55,982,882.70 and 21,179,401.43 is: 31,769,102.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321,921.80 : 55,982,882.70 = 21,179,401.43 : x
  2. Step 2: Convert to fraction form
    37,321,921.80/55,982,882.70 = 21,179,401.43/x
  3. Step 3: Cross multiply
    37,321,921.80x = 55,982,882.70 × 21,179,401.43
  4. Step 4: Simplify right side
    37,321,921.80x = 1,185,683,945,631,988
  5. Step 5: Solve for x
    x = 1,185,683,945,631,988/37,321,921.80
  6. Step 6: Final answer
    x = 31,769,102.14

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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.