Home / 20,250,410.90-27,945,641.09-10,957,981.05

Finding the Fourth Proportional to 20,250,410.90, 27,945,641.09 and 10,957,981.05

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Solution

The fourth proportional to 20,250,410.90, 27,945,641.09 and 10,957,981.05 is: 15,122,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,410.90 : 27,945,641.09 = 10,957,981.05 : x
  2. Step 2: Convert to fraction form
    20,250,410.90/27,945,641.09 = 10,957,981.05/x
  3. Step 3: Cross multiply
    20,250,410.90x = 27,945,641.09 × 10,957,981.05
  4. Step 4: Simplify right side
    20,250,410.90x = 306,227,805,521,716.31
  5. Step 5: Solve for x
    x = 306,227,805,521,716.31/20,250,410.90
  6. Step 6: Final answer
    x = 15,122,053.92

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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.