Home / 18,550,571.40-27,825,857.10-13,946,963.74

Finding the Fourth Proportional to 18,550,571.40, 27,825,857.10 and 13,946,963.74

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Solution

The fourth proportional to 18,550,571.40, 27,825,857.10 and 13,946,963.74 is: 20,920,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550,571.40 : 27,825,857.10 = 13,946,963.74 : x
  2. Step 2: Convert to fraction form
    18,550,571.40/27,825,857.10 = 13,946,963.74/x
  3. Step 3: Cross multiply
    18,550,571.40x = 27,825,857.10 × 13,946,963.74
  4. Step 4: Simplify right side
    18,550,571.40x = 388,086,219,938,556.94
  5. Step 5: Solve for x
    x = 388,086,219,938,556.94/18,550,571.40
  6. Step 6: Final answer
    x = 20,920,445.61

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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.