Home / 20,126,658.33-27,774,030.60-12,299,258.97

Finding the Fourth Proportional to 20,126,658.33, 27,774,030.60 and 12,299,258.97

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Solution

The fourth proportional to 20,126,658.33, 27,774,030.60 and 12,299,258.97 is: 16,972,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126,658.33 : 27,774,030.60 = 12,299,258.97 : x
  2. Step 2: Convert to fraction form
    20,126,658.33/27,774,030.60 = 12,299,258.97/x
  3. Step 3: Cross multiply
    20,126,658.33x = 27,774,030.60 × 12,299,258.97
  4. Step 4: Simplify right side
    20,126,658.33x = 341,599,994,990,104.50
  5. Step 5: Solve for x
    x = 341,599,994,990,104.50/20,126,658.33
  6. Step 6: Final answer
    x = 16,972,514.23

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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.