Home / 20,252,571.50-27,948,811.20-11,085,017.42

Finding the Fourth Proportional to 20,252,571.50, 27,948,811.20 and 11,085,017.42

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Solution

The fourth proportional to 20,252,571.50, 27,948,811.20 and 11,085,017.42 is: 15,297,467.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,571.50 : 27,948,811.20 = 11,085,017.42 : x
  2. Step 2: Convert to fraction form
    20,252,571.50/27,948,811.20 = 11,085,017.42/x
  3. Step 3: Cross multiply
    20,252,571.50x = 27,948,811.20 × 11,085,017.42
  4. Step 4: Simplify right side
    20,252,571.50x = 309,813,059,020,291.06
  5. Step 5: Solve for x
    x = 309,813,059,020,291.06/20,252,571.50
  6. Step 6: Final answer
    x = 15,297,467.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.