Home / 20,185,834.73-30,268,112.33-8,812,997.33

Finding the Fourth Proportional to 20,185,834.73, 30,268,112.33 and 8,812,997.33

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Solution

The fourth proportional to 20,185,834.73, 30,268,112.33 and 8,812,997.33 is: 13,214,850.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,834.73 : 30,268,112.33 = 8,812,997.33 : x
  2. Step 2: Convert to fraction form
    20,185,834.73/30,268,112.33 = 8,812,997.33/x
  3. Step 3: Cross multiply
    20,185,834.73x = 30,268,112.33 × 8,812,997.33
  4. Step 4: Simplify right side
    20,185,834.73x = 266,752,792,953,024.50
  5. Step 5: Solve for x
    x = 266,752,792,953,024.50/20,185,834.73
  6. Step 6: Final answer
    x = 13,214,850.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.