Home / 20,252,612.50-27,948,867.69-11,085,058.42

Finding the Fourth Proportional to 20,252,612.50, 27,948,867.69 and 11,085,058.42

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Solution

The fourth proportional to 20,252,612.50, 27,948,867.69 and 11,085,058.42 is: 15,297,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252,612.50 : 27,948,867.69 = 11,085,058.42 : x
  2. Step 2: Convert to fraction form
    20,252,612.50/27,948,867.69 = 11,085,058.42/x
  3. Step 3: Cross multiply
    20,252,612.50x = 27,948,867.69 × 11,085,058.42
  4. Step 4: Simplify right side
    20,252,612.50x = 309,814,831,116,500.44
  5. Step 5: Solve for x
    x = 309,814,831,116,500.44/20,252,612.50
  6. Step 6: Final answer
    x = 15,297,524.26

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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.