Home / 21,796,321.79-32,683,131.86-8,138,236.46

Finding the Fourth Proportional to 21,796,321.79, 32,683,131.86 and 8,138,236.46

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Solution

The fourth proportional to 21,796,321.79, 32,683,131.86 and 8,138,236.46 is: 12,203,116.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,796,321.79 : 32,683,131.86 = 8,138,236.46 : x
  2. Step 2: Convert to fraction form
    21,796,321.79/32,683,131.86 = 8,138,236.46/x
  3. Step 3: Cross multiply
    21,796,321.79x = 32,683,131.86 × 8,138,236.46
  4. Step 4: Simplify right side
    21,796,321.79x = 265,983,055,125,932.78
  5. Step 5: Solve for x
    x = 265,983,055,125,932.78/21,796,321.79
  6. Step 6: Final answer
    x = 12,203,116.55

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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.