Home / 39,957,776.72-55,141,731.89-21,623,062.22

Finding the Fourth Proportional to 39,957,776.72, 55,141,731.89 and 21,623,062.22

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Solution

The fourth proportional to 39,957,776.72, 55,141,731.89 and 21,623,062.22 is: 29,839,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,776.72 : 55,141,731.89 = 21,623,062.22 : x
  2. Step 2: Convert to fraction form
    39,957,776.72/55,141,731.89 = 21,623,062.22/x
  3. Step 3: Cross multiply
    39,957,776.72x = 55,141,731.89 × 21,623,062.22
  4. Step 4: Simplify right side
    39,957,776.72x = 1,192,333,099,480,072.25
  5. Step 5: Solve for x
    x = 1,192,333,099,480,072.25/39,957,776.72
  6. Step 6: Final answer
    x = 29,839,825.87

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