Home / 28,274,905.72-39,022,536.96-17,117,548.56

Finding the Fourth Proportional to 28,274,905.72, 39,022,536.96 and 17,117,548.56

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Solution

The fourth proportional to 28,274,905.72, 39,022,536.96 and 17,117,548.56 is: 23,624,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,274,905.72 : 39,022,536.96 = 17,117,548.56 : x
  2. Step 2: Convert to fraction form
    28,274,905.72/39,022,536.96 = 17,117,548.56/x
  3. Step 3: Cross multiply
    28,274,905.72x = 39,022,536.96 × 17,117,548.56
  4. Step 4: Simplify right side
    28,274,905.72x = 667,970,171,347,194.75
  5. Step 5: Solve for x
    x = 667,970,171,347,194.75/28,274,905.72
  6. Step 6: Final answer
    x = 23,624,134.35

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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.