Home / 21,384,380.72-32,074,958.76-6,810,712.16

Finding the Fourth Proportional to 21,384,380.72, 32,074,958.76 and 6,810,712.16

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Solution

The fourth proportional to 21,384,380.72, 32,074,958.76 and 6,810,712.16 is: 10,215,554.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,384,380.72 : 32,074,958.76 = 6,810,712.16 : x
  2. Step 2: Convert to fraction form
    21,384,380.72/32,074,958.76 = 6,810,712.16/x
  3. Step 3: Cross multiply
    21,384,380.72x = 32,074,958.76 × 6,810,712.16
  4. Step 4: Simplify right side
    21,384,380.72x = 218,453,311,658,230.53
  5. Step 5: Solve for x
    x = 218,453,311,658,230.53/21,384,380.72
  6. Step 6: Final answer
    x = 10,215,554.73

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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.