Home / 21,993,123.17-32,988,611.75-8,162,772.99

Finding the Fourth Proportional to 21,993,123.17, 32,988,611.75 and 8,162,772.99

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Solution

The fourth proportional to 21,993,123.17, 32,988,611.75 and 8,162,772.99 is: 12,243,761.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993,123.17 : 32,988,611.75 = 8,162,772.99 : x
  2. Step 2: Convert to fraction form
    21,993,123.17/32,988,611.75 = 8,162,772.99/x
  3. Step 3: Cross multiply
    21,993,123.17x = 32,988,611.75 × 8,162,772.99
  4. Step 4: Simplify right side
    21,993,123.17x = 269,278,548,929,682.78
  5. Step 5: Solve for x
    x = 269,278,548,929,682.78/21,993,123.17
  6. Step 6: Final answer
    x = 12,243,761.24

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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.