Home / 20,494,689.33-30,747,418.16-7,365,432.80

Finding the Fourth Proportional to 20,494,689.33, 30,747,418.16 and 7,365,432.80

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Solution

The fourth proportional to 20,494,689.33, 30,747,418.16 and 7,365,432.80 is: 11,050,084.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,689.33 : 30,747,418.16 = 7,365,432.80 : x
  2. Step 2: Convert to fraction form
    20,494,689.33/30,747,418.16 = 7,365,432.80/x
  3. Step 3: Cross multiply
    20,494,689.33x = 30,747,418.16 × 7,365,432.80
  4. Step 4: Simplify right side
    20,494,689.33x = 226,468,042,040,415.41
  5. Step 5: Solve for x
    x = 226,468,042,040,415.41/20,494,689.33
  6. Step 6: Final answer
    x = 11,050,084.17

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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.