Home / 12,654,020.20-18,981,030.30-8,349,348.10

Finding the Fourth Proportional to 12,654,020.20, 18,981,030.30 and 8,349,348.10

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Solution

The fourth proportional to 12,654,020.20, 18,981,030.30 and 8,349,348.10 is: 12,524,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,654,020.20 : 18,981,030.30 = 8,349,348.10 : x
  2. Step 2: Convert to fraction form
    12,654,020.20/18,981,030.30 = 8,349,348.10/x
  3. Step 3: Cross multiply
    12,654,020.20x = 18,981,030.30 × 8,349,348.10
  4. Step 4: Simplify right side
    12,654,020.20x = 158,479,229,271,347.44
  5. Step 5: Solve for x
    x = 158,479,229,271,347.44/12,654,020.20
  6. Step 6: Final answer
    x = 12,524,022.15

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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.