Home / 20,950,096.80-28,907,802.48-11,780,968.80

Finding the Fourth Proportional to 20,950,096.80, 28,907,802.48 and 11,780,968.80

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Solution

The fourth proportional to 20,950,096.80, 28,907,802.48 and 11,780,968.80 is: 16,255,863.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,950,096.80 : 28,907,802.48 = 11,780,968.80 : x
  2. Step 2: Convert to fraction form
    20,950,096.80/28,907,802.48 = 11,780,968.80/x
  3. Step 3: Cross multiply
    20,950,096.80x = 28,907,802.48 × 11,780,968.80
  4. Step 4: Simplify right side
    20,950,096.80x = 340,561,919,093,442.62
  5. Step 5: Solve for x
    x = 340,561,919,093,442.62/20,950,096.80
  6. Step 6: Final answer
    x = 16,255,863.75

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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.