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Finding the Fourth Proportional to 15,193,333.02, 20,969,449.02 and 9,001,865.63

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Solution

The fourth proportional to 15,193,333.02, 20,969,449.02 and 9,001,865.63 is: 12,424,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,333.02 : 20,969,449.02 = 9,001,865.63 : x
  2. Step 2: Convert to fraction form
    15,193,333.02/20,969,449.02 = 9,001,865.63/x
  3. Step 3: Cross multiply
    15,193,333.02x = 20,969,449.02 × 9,001,865.63
  4. Step 4: Simplify right side
    15,193,333.02x = 188,764,162,308,327.94
  5. Step 5: Solve for x
    x = 188,764,162,308,327.94/15,193,333.02
  6. Step 6: Final answer
    x = 12,424,144.33

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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.