Home / 13,986,223.50-20,982,336.30-7,923,859.50

Finding the Fourth Proportional to 13,986,223.50, 20,982,336.30 and 7,923,859.50

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Solution

The fourth proportional to 13,986,223.50, 20,982,336.30 and 7,923,859.50 is: 11,887,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,986,223.50 : 20,982,336.30 = 7,923,859.50 : x
  2. Step 2: Convert to fraction form
    13,986,223.50/20,982,336.30 = 7,923,859.50/x
  3. Step 3: Cross multiply
    13,986,223.50x = 20,982,336.30 × 7,923,859.50
  4. Step 4: Simplify right side
    13,986,223.50x = 166,261,084,822,949.84
  5. Step 5: Solve for x
    x = 166,261,084,822,949.84/13,986,223.50
  6. Step 6: Final answer
    x = 11,887,489.49

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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.