Home / 13,608,498-20,405,659.62-6,418,101.24

Finding the Fourth Proportional to 13,608,498, 20,405,659.62 and 6,418,101.24

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Solution

The fourth proportional to 13,608,498, 20,405,659.62 and 6,418,101.24 is: 9,623,809.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,498 : 20,405,659.62 = 6,418,101.24 : x
  2. Step 2: Convert to fraction form
    13,608,498/20,405,659.62 = 6,418,101.24/x
  3. Step 3: Cross multiply
    13,608,498x = 20,405,659.62 × 6,418,101.24
  4. Step 4: Simplify right side
    13,608,498x = 130,965,589,310,139.94
  5. Step 5: Solve for x
    x = 130,965,589,310,139.94/13,608,498
  6. Step 6: Final answer
    x = 9,623,809.28

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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.