Home / 13,561,910.80-20,376,043.80-10,202,678.80

Finding the Fourth Proportional to 13,561,910.80, 20,376,043.80 and 10,202,678.80

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Solution

The fourth proportional to 13,561,910.80, 20,376,043.80 and 10,202,678.80 is: 15,328,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,910.80 : 20,376,043.80 = 10,202,678.80 : x
  2. Step 2: Convert to fraction form
    13,561,910.80/20,376,043.80 = 10,202,678.80/x
  3. Step 3: Cross multiply
    13,561,910.80x = 20,376,043.80 × 10,202,678.80
  4. Step 4: Simplify right side
    13,561,910.80x = 207,890,230,106,131.47
  5. Step 5: Solve for x
    x = 207,890,230,106,131.47/13,561,910.80
  6. Step 6: Final answer
    x = 15,328,977.84

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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.