Home / 20,542,650.60-28,348,509.26-11,375,096.52

Finding the Fourth Proportional to 20,542,650.60, 28,348,509.26 and 11,375,096.52

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Solution

The fourth proportional to 20,542,650.60, 28,348,509.26 and 11,375,096.52 is: 15,697,440.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,650.60 : 28,348,509.26 = 11,375,096.52 : x
  2. Step 2: Convert to fraction form
    20,542,650.60/28,348,509.26 = 11,375,096.52/x
  3. Step 3: Cross multiply
    20,542,650.60x = 28,348,509.26 × 11,375,096.52
  4. Step 4: Simplify right side
    20,542,650.60x = 322,467,029,030,613.75
  5. Step 5: Solve for x
    x = 322,467,029,030,613.75/20,542,650.60
  6. Step 6: Final answer
    x = 15,697,440.18

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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.