Home / 39,957,776.76-55,141,731.96-21,623,062.26

Finding the Fourth Proportional to 39,957,776.76, 55,141,731.96 and 21,623,062.26

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Solution

The fourth proportional to 39,957,776.76, 55,141,731.96 and 21,623,062.26 is: 29,839,825.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957,776.76 : 55,141,731.96 = 21,623,062.26 : x
  2. Step 2: Convert to fraction form
    39,957,776.76/55,141,731.96 = 21,623,062.26/x
  3. Step 3: Cross multiply
    39,957,776.76x = 55,141,731.96 × 21,623,062.26
  4. Step 4: Simplify right side
    39,957,776.76x = 1,192,333,103,295,312
  5. Step 5: Solve for x
    x = 1,192,333,103,295,312/39,957,776.76
  6. Step 6: Final answer
    x = 29,839,825.94

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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.