Home / 20,608,961.08-31,061,576.32-17,764,658.23

Finding the Fourth Proportional to 20,608,961.08, 31,061,576.32 and 17,764,658.23

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Solution

The fourth proportional to 20,608,961.08, 31,061,576.32 and 17,764,658.23 is: 26,774,677.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,961.08 : 31,061,576.32 = 17,764,658.23 : x
  2. Step 2: Convert to fraction form
    20,608,961.08/31,061,576.32 = 17,764,658.23/x
  3. Step 3: Cross multiply
    20,608,961.08x = 31,061,576.32 × 17,764,658.23
  4. Step 4: Simplify right side
    20,608,961.08x = 551,798,287,409,861.12
  5. Step 5: Solve for x
    x = 551,798,287,409,861.12/20,608,961.08
  6. Step 6: Final answer
    x = 26,774,677.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.