Home / 19,361,221.20-29,041,831.80-5,177,797.20

Finding the Fourth Proportional to 19,361,221.20, 29,041,831.80 and 5,177,797.20

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Solution

The fourth proportional to 19,361,221.20, 29,041,831.80 and 5,177,797.20 is: 7,766,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,361,221.20 : 29,041,831.80 = 5,177,797.20 : x
  2. Step 2: Convert to fraction form
    19,361,221.20/29,041,831.80 = 5,177,797.20/x
  3. Step 3: Cross multiply
    19,361,221.20x = 29,041,831.80 × 5,177,797.20
  4. Step 4: Simplify right side
    19,361,221.20x = 150,372,715,376,910.97
  5. Step 5: Solve for x
    x = 150,372,715,376,910.97/19,361,221.20
  6. Step 6: Final answer
    x = 7,766,695.80

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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.