Home / 20,736,297.60-31,067,121.60-17,750,313.60

Finding the Fourth Proportional to 20,736,297.60, 31,067,121.60 and 17,750,313.60

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Solution

The fourth proportional to 20,736,297.60, 31,067,121.60 and 17,750,313.60 is: 26,593,520.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,297.60 : 31,067,121.60 = 17,750,313.60 : x
  2. Step 2: Convert to fraction form
    20,736,297.60/31,067,121.60 = 17,750,313.60/x
  3. Step 3: Cross multiply
    20,736,297.60x = 31,067,121.60 × 17,750,313.60
  4. Step 4: Simplify right side
    20,736,297.60x = 551,451,151,049,333.81
  5. Step 5: Solve for x
    x = 551,451,151,049,333.81/20,736,297.60
  6. Step 6: Final answer
    x = 26,593,520.29

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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.