Home / 20,238,371.24-27,928,942.98-11,071,011.56

Finding the Fourth Proportional to 20,238,371.24, 27,928,942.98 and 11,071,011.56

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Solution

The fourth proportional to 20,238,371.24, 27,928,942.98 and 11,071,011.56 is: 15,277,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,371.24 : 27,928,942.98 = 11,071,011.56 : x
  2. Step 2: Convert to fraction form
    20,238,371.24/27,928,942.98 = 11,071,011.56/x
  3. Step 3: Cross multiply
    20,238,371.24x = 27,928,942.98 × 11,071,011.56
  4. Step 4: Simplify right side
    20,238,371.24x = 309,201,650,590,160.88
  5. Step 5: Solve for x
    x = 309,201,650,590,160.88/20,238,371.24
  6. Step 6: Final answer
    x = 15,277,990.85

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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.