Home / 20,494,963.85-30,741,955.73-6,661,905.21

Finding the Fourth Proportional to 20,494,963.85, 30,741,955.73 and 6,661,905.21

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Solution

The fourth proportional to 20,494,963.85, 30,741,955.73 and 6,661,905.21 is: 9,992,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,963.85 : 30,741,955.73 = 6,661,905.21 : x
  2. Step 2: Convert to fraction form
    20,494,963.85/30,741,955.73 = 6,661,905.21/x
  3. Step 3: Cross multiply
    20,494,963.85x = 30,741,955.73 × 6,661,905.21
  4. Step 4: Simplify right side
    20,494,963.85x = 204,799,995,009,966.84
  5. Step 5: Solve for x
    x = 204,799,995,009,966.84/20,494,963.85
  6. Step 6: Final answer
    x = 9,992,698.53

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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.