Home / 12,796,921.20-17,565,749.16-11,314,135.20

Finding the Fourth Proportional to 12,796,921.20, 17,565,749.16 and 11,314,135.20

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Solution

The fourth proportional to 12,796,921.20, 17,565,749.16 and 11,314,135.20 is: 15,530,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796,921.20 : 17,565,749.16 = 11,314,135.20 : x
  2. Step 2: Convert to fraction form
    12,796,921.20/17,565,749.16 = 11,314,135.20/x
  3. Step 3: Cross multiply
    12,796,921.20x = 17,565,749.16 × 11,314,135.20
  4. Step 4: Simplify right side
    12,796,921.20x = 198,741,260,885,526.41
  5. Step 5: Solve for x
    x = 198,741,260,885,526.41/12,796,921.20
  6. Step 6: Final answer
    x = 15,530,396.55

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.