Home / 12,923,020.80-19,384,531.20-10,531,536.30

Finding the Fourth Proportional to 12,923,020.80, 19,384,531.20 and 10,531,536.30

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Solution

The fourth proportional to 12,923,020.80, 19,384,531.20 and 10,531,536.30 is: 15,797,304.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,020.80 : 19,384,531.20 = 10,531,536.30 : x
  2. Step 2: Convert to fraction form
    12,923,020.80/19,384,531.20 = 10,531,536.30/x
  3. Step 3: Cross multiply
    12,923,020.80x = 19,384,531.20 × 10,531,536.30
  4. Step 4: Simplify right side
    12,923,020.80x = 204,148,893,991,282.56
  5. Step 5: Solve for x
    x = 204,148,893,991,282.56/12,923,020.80
  6. Step 6: Final answer
    x = 15,797,304.45

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Double scale
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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.