Home / 13,561,911.80-20,376,045.30-10,202,679.80

Finding the Fourth Proportional to 13,561,911.80, 20,376,045.30 and 10,202,679.80

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Solution

The fourth proportional to 13,561,911.80, 20,376,045.30 and 10,202,679.80 is: 15,328,979.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561,911.80 : 20,376,045.30 = 10,202,679.80 : x
  2. Step 2: Convert to fraction form
    13,561,911.80/20,376,045.30 = 10,202,679.80/x
  3. Step 3: Cross multiply
    13,561,911.80x = 20,376,045.30 × 10,202,679.80
  4. Step 4: Simplify right side
    13,561,911.80x = 207,890,265,786,194.97
  5. Step 5: Solve for x
    x = 207,890,265,786,194.97/13,561,911.80
  6. Step 6: Final answer
    x = 15,328,979.34

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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.