Home / 19,874,711.20-29,820,924.15-9,086,458.90

Finding the Fourth Proportional to 19,874,711.20, 29,820,924.15 and 9,086,458.90

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Solution

The fourth proportional to 19,874,711.20, 29,820,924.15 and 9,086,458.90 is: 13,633,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874,711.20 : 29,820,924.15 = 9,086,458.90 : x
  2. Step 2: Convert to fraction form
    19,874,711.20/29,820,924.15 = 9,086,458.90/x
  3. Step 3: Cross multiply
    19,874,711.20x = 29,820,924.15 × 9,086,458.90
  4. Step 4: Simplify right side
    19,874,711.20x = 270,966,601,648,992.44
  5. Step 5: Solve for x
    x = 270,966,601,648,992.44/19,874,711.20
  6. Step 6: Final answer
    x = 13,633,737.81

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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.