Home / 20,138,614.80-30,207,922.20-6,675,442.80

Finding the Fourth Proportional to 20,138,614.80, 30,207,922.20 and 6,675,442.80

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Solution

The fourth proportional to 20,138,614.80, 30,207,922.20 and 6,675,442.80 is: 10,013,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,614.80 : 30,207,922.20 = 6,675,442.80 : x
  2. Step 2: Convert to fraction form
    20,138,614.80/30,207,922.20 = 6,675,442.80/x
  3. Step 3: Cross multiply
    20,138,614.80x = 30,207,922.20 × 6,675,442.80
  4. Step 4: Simplify right side
    20,138,614.80x = 201,651,256,752,950.16
  5. Step 5: Solve for x
    x = 201,651,256,752,950.16/20,138,614.80
  6. Step 6: Final answer
    x = 10,013,164.20

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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.