Home / 30,661,958.55-45,969,364.04-15,874,201.17

Finding the Fourth Proportional to 30,661,958.55, 45,969,364.04 and 15,874,201.17

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Solution

The fourth proportional to 30,661,958.55, 45,969,364.04 and 15,874,201.17 is: 23,799,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,661,958.55 : 45,969,364.04 = 15,874,201.17 : x
  2. Step 2: Convert to fraction form
    30,661,958.55/45,969,364.04 = 15,874,201.17/x
  3. Step 3: Cross multiply
    30,661,958.55x = 45,969,364.04 × 15,874,201.17
  4. Step 4: Simplify right side
    30,661,958.55x = 729,726,932,198,077
  5. Step 5: Solve for x
    x = 729,726,932,198,077/30,661,958.55
  6. Step 6: Final answer
    x = 23,799,097.21

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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.