Home / 20,401,958.44-28,154,699.94-11,234,578.60

Finding the Fourth Proportional to 20,401,958.44, 28,154,699.94 and 11,234,578.60

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Solution

The fourth proportional to 20,401,958.44, 28,154,699.94 and 11,234,578.60 is: 15,503,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,958.44 : 28,154,699.94 = 11,234,578.60 : x
  2. Step 2: Convert to fraction form
    20,401,958.44/28,154,699.94 = 11,234,578.60/x
  3. Step 3: Cross multiply
    20,401,958.44x = 28,154,699.94 × 11,234,578.60
  4. Step 4: Simplify right side
    20,401,958.44x = 316,306,189,435,345.31
  5. Step 5: Solve for x
    x = 316,306,189,435,345.31/20,401,958.44
  6. Step 6: Final answer
    x = 15,503,716.98

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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.