Home / 38,308,992.26-52,867,996.82-21,792,026.50

Finding the Fourth Proportional to 38,308,992.26, 52,867,996.82 and 21,792,026.50

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Solution

The fourth proportional to 38,308,992.26, 52,867,996.82 and 21,792,026.50 is: 30,073,899.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,308,992.26 : 52,867,996.82 = 21,792,026.50 : x
  2. Step 2: Convert to fraction form
    38,308,992.26/52,867,996.82 = 21,792,026.50/x
  3. Step 3: Cross multiply
    38,308,992.26x = 52,867,996.82 × 21,792,026.50
  4. Step 4: Simplify right side
    38,308,992.26x = 1,152,100,787,543,945.75
  5. Step 5: Solve for x
    x = 1,152,100,787,543,945.75/38,308,992.26
  6. Step 6: Final answer
    x = 30,073,899.62

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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.