Home / 20,200,910.90-30,305,622-6,552,991.61

Finding the Fourth Proportional to 20,200,910.90, 30,305,622 and 6,552,991.61

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Solution

The fourth proportional to 20,200,910.90, 30,305,622 and 6,552,991.61 is: 9,830,867.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200,910.90 : 30,305,622 = 6,552,991.61 : x
  2. Step 2: Convert to fraction form
    20,200,910.90/30,305,622 = 6,552,991.61/x
  3. Step 3: Cross multiply
    20,200,910.90x = 30,305,622 × 6,552,991.61
  4. Step 4: Simplify right side
    20,200,910.90x = 198,592,486,701,831.44
  5. Step 5: Solve for x
    x = 198,592,486,701,831.44/20,200,910.90
  6. Step 6: Final answer
    x = 9,830,867.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.