Home / 18,844,464.42-25,998,738.44-12,321,911.88

Finding the Fourth Proportional to 18,844,464.42, 25,998,738.44 and 12,321,911.88

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Solution

The fourth proportional to 18,844,464.42, 25,998,738.44 and 12,321,911.88 is: 16,999,908.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,844,464.42 : 25,998,738.44 = 12,321,911.88 : x
  2. Step 2: Convert to fraction form
    18,844,464.42/25,998,738.44 = 12,321,911.88/x
  3. Step 3: Cross multiply
    18,844,464.42x = 25,998,738.44 × 12,321,911.88
  4. Step 4: Simplify right side
    18,844,464.42x = 320,354,164,048,848.69
  5. Step 5: Solve for x
    x = 320,354,164,048,848.69/18,844,464.42
  6. Step 6: Final answer
    x = 16,999,908.14

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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.