Home / 20,608,478.70-31,060,849.48-17,764,174.64

Finding the Fourth Proportional to 20,608,478.70, 31,060,849.48 and 17,764,174.64

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Solution

The fourth proportional to 20,608,478.70, 31,060,849.48 and 17,764,174.64 is: 26,773,948.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,478.70 : 31,060,849.48 = 17,764,174.64 : x
  2. Step 2: Convert to fraction form
    20,608,478.70/31,060,849.48 = 17,764,174.64/x
  3. Step 3: Cross multiply
    20,608,478.70x = 31,060,849.48 × 17,764,174.64
  4. Step 4: Simplify right side
    20,608,478.70x = 551,770,354,629,473.19
  5. Step 5: Solve for x
    x = 551,770,354,629,473.19/20,608,478.70
  6. Step 6: Final answer
    x = 26,773,948.85

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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.