Home / 20,608,478.71-31,060,849.47-17,764,174.64

Finding the Fourth Proportional to 20,608,478.71, 31,060,849.47 and 17,764,174.64

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Solution

The fourth proportional to 20,608,478.71, 31,060,849.47 and 17,764,174.64 is: 26,773,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608,478.71 : 31,060,849.47 = 17,764,174.64 : x
  2. Step 2: Convert to fraction form
    20,608,478.71/31,060,849.47 = 17,764,174.64/x
  3. Step 3: Cross multiply
    20,608,478.71x = 31,060,849.47 × 17,764,174.64
  4. Step 4: Simplify right side
    20,608,478.71x = 551,770,354,451,831.44
  5. Step 5: Solve for x
    x = 551,770,354,451,831.44/20,608,478.71
  6. Step 6: Final answer
    x = 26,773,948.83

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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.