Home / 20,403,761.60-30,534,783.60-14,026,469.60

Finding the Fourth Proportional to 20,403,761.60, 30,534,783.60 and 14,026,469.60

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Solution

The fourth proportional to 20,403,761.60, 30,534,783.60 and 14,026,469.60 is: 20,990,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,761.60 : 30,534,783.60 = 14,026,469.60 : x
  2. Step 2: Convert to fraction form
    20,403,761.60/30,534,783.60 = 14,026,469.60/x
  3. Step 3: Cross multiply
    20,403,761.60x = 30,534,783.60 × 14,026,469.60
  4. Step 4: Simplify right side
    20,403,761.60x = 428,295,213,907,978.56
  5. Step 5: Solve for x
    x = 428,295,213,907,978.56/20,403,761.60
  6. Step 6: Final answer
    x = 20,990,992.85

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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.