Home / 20,229,814.80-30,344,722.20-11,726,758.80

Finding the Fourth Proportional to 20,229,814.80, 30,344,722.20 and 11,726,758.80

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Solution

The fourth proportional to 20,229,814.80, 30,344,722.20 and 11,726,758.80 is: 17,590,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,814.80 : 30,344,722.20 = 11,726,758.80 : x
  2. Step 2: Convert to fraction form
    20,229,814.80/30,344,722.20 = 11,726,758.80/x
  3. Step 3: Cross multiply
    20,229,814.80x = 30,344,722.20 × 11,726,758.80
  4. Step 4: Simplify right side
    20,229,814.80x = 355,845,238,092,405.38
  5. Step 5: Solve for x
    x = 355,845,238,092,405.38/20,229,814.80
  6. Step 6: Final answer
    x = 17,590,138.20

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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.