Home / 12,179,611.28-18,269,713.38-4,092,704.12

Finding the Fourth Proportional to 12,179,611.28, 18,269,713.38 and 4,092,704.12

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Solution

The fourth proportional to 12,179,611.28, 18,269,713.38 and 4,092,704.12 is: 6,139,155.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,179,611.28 : 18,269,713.38 = 4,092,704.12 : x
  2. Step 2: Convert to fraction form
    12,179,611.28/18,269,713.38 = 4,092,704.12/x
  3. Step 3: Cross multiply
    12,179,611.28x = 18,269,713.38 × 4,092,704.12
  4. Step 4: Simplify right side
    12,179,611.28x = 74,772,531,221,545.12
  5. Step 5: Solve for x
    x = 74,772,531,221,545.12/12,179,611.28
  6. Step 6: Final answer
    x = 6,139,155.80

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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.