Home / 12,922,847.20-19,384,270.80-3,946,232.80

Finding the Fourth Proportional to 12,922,847.20, 19,384,270.80 and 3,946,232.80

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Solution

The fourth proportional to 12,922,847.20, 19,384,270.80 and 3,946,232.80 is: 5,919,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,922,847.20 : 19,384,270.80 = 3,946,232.80 : x
  2. Step 2: Convert to fraction form
    12,922,847.20/19,384,270.80 = 3,946,232.80/x
  3. Step 3: Cross multiply
    12,922,847.20x = 19,384,270.80 × 3,946,232.80
  4. Step 4: Simplify right side
    12,922,847.20x = 76,494,845,235,042.23
  5. Step 5: Solve for x
    x = 76,494,845,235,042.23/12,922,847.20
  6. Step 6: Final answer
    x = 5,919,349.20

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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.