Home / 20,345,523.30-30,512,197.80-6,696,150.12

Finding the Fourth Proportional to 20,345,523.30, 30,512,197.80 and 6,696,150.12

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Solution

The fourth proportional to 20,345,523.30, 30,512,197.80 and 6,696,150.12 is: 10,042,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,345,523.30 : 30,512,197.80 = 6,696,150.12 : x
  2. Step 2: Convert to fraction form
    20,345,523.30/30,512,197.80 = 6,696,150.12/x
  3. Step 3: Cross multiply
    20,345,523.30x = 30,512,197.80 × 6,696,150.12
  4. Step 4: Simplify right side
    20,345,523.30x = 204,314,256,959,933.75
  5. Step 5: Solve for x
    x = 204,314,256,959,933.75/20,345,523.30
  6. Step 6: Final answer
    x = 10,042,221.77

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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.