Home / 21,657,846.92-32,469,902.46-10,720,486.76

Finding the Fourth Proportional to 21,657,846.92, 32,469,902.46 and 10,720,486.76

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Solution

The fourth proportional to 21,657,846.92, 32,469,902.46 and 10,720,486.76 is: 16,072,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657,846.92 : 32,469,902.46 = 10,720,486.76 : x
  2. Step 2: Convert to fraction form
    21,657,846.92/32,469,902.46 = 10,720,486.76/x
  3. Step 3: Cross multiply
    21,657,846.92x = 32,469,902.46 × 10,720,486.76
  4. Step 4: Simplify right side
    21,657,846.92x = 348,093,159,420,921.44
  5. Step 5: Solve for x
    x = 348,093,159,420,921.44/21,657,846.92
  6. Step 6: Final answer
    x = 16,072,380.63

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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.