Home / 20,250,406.31-27,945,634.76-10,957,976.43

Finding the Fourth Proportional to 20,250,406.31, 27,945,634.76 and 10,957,976.43

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Solution

The fourth proportional to 20,250,406.31, 27,945,634.76 and 10,957,976.43 is: 15,122,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,406.31 : 27,945,634.76 = 10,957,976.43 : x
  2. Step 2: Convert to fraction form
    20,250,406.31/27,945,634.76 = 10,957,976.43/x
  3. Step 3: Cross multiply
    20,250,406.31x = 27,945,634.76 × 10,957,976.43
  4. Step 4: Simplify right side
    20,250,406.31x = 306,227,606,966,678.81
  5. Step 5: Solve for x
    x = 306,227,606,966,678.81/20,250,406.31
  6. Step 6: Final answer
    x = 15,122,047.55

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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.