Home / 39,957,805.07-55,141,771.09-21,623,090.57

Finding the Fourth Proportional to 39,957,805.07, 55,141,771.09 and 21,623,090.57

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Solution

The fourth proportional to 39,957,805.07, 55,141,771.09 and 21,623,090.57 is: 29,839,865.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,805.07 : 55,141,771.09 = 21,623,090.57 : x
  2. Step 2: Convert to fraction form
    39,957,805.07/55,141,771.09 = 21,623,090.57/x
  3. Step 3: Cross multiply
    39,957,805.07x = 55,141,771.09 × 21,623,090.57
  4. Step 4: Simplify right side
    39,957,805.07x = 1,192,335,510,469,277.75
  5. Step 5: Solve for x
    x = 1,192,335,510,469,277.75/39,957,805.07
  6. Step 6: Final answer
    x = 29,839,865.04

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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.