Home / 20,252,169.33-27,948,078.80-10,959,739.79

Finding the Fourth Proportional to 20,252,169.33, 27,948,078.80 and 10,959,739.79

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Solution

The fourth proportional to 20,252,169.33, 27,948,078.80 and 10,959,739.79 is: 15,124,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,169.33 : 27,948,078.80 = 10,959,739.79 : x
  2. Step 2: Convert to fraction form
    20,252,169.33/27,948,078.80 = 10,959,739.79/x
  3. Step 3: Cross multiply
    20,252,169.33x = 27,948,078.80 × 10,959,739.79
  4. Step 4: Simplify right side
    20,252,169.33x = 306,303,671,083,876.38
  5. Step 5: Solve for x
    x = 306,303,671,083,876.38/20,252,169.33
  6. Step 6: Final answer
    x = 15,124,486.97

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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.