Home / 20,726,485.20-31,080,396.60-9,361,083.60

Finding the Fourth Proportional to 20,726,485.20, 31,080,396.60 and 9,361,083.60

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Solution

The fourth proportional to 20,726,485.20, 31,080,396.60 and 9,361,083.60 is: 14,037,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,485.20 : 31,080,396.60 = 9,361,083.60 : x
  2. Step 2: Convert to fraction form
    20,726,485.20/31,080,396.60 = 9,361,083.60/x
  3. Step 3: Cross multiply
    20,726,485.20x = 31,080,396.60 × 9,361,083.60
  4. Step 4: Simplify right side
    20,726,485.20x = 290,946,190,893,755.75
  5. Step 5: Solve for x
    x = 290,946,190,893,755.75/20,726,485.20
  6. Step 6: Final answer
    x = 14,037,410.98

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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.