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Finding the Fourth Proportional to 33,695,998.80, 50,543,998.20 and 10,979,192.40

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Solution

The fourth proportional to 33,695,998.80, 50,543,998.20 and 10,979,192.40 is: 16,468,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,695,998.80 : 50,543,998.20 = 10,979,192.40 : x
  2. Step 2: Convert to fraction form
    33,695,998.80/50,543,998.20 = 10,979,192.40/x
  3. Step 3: Cross multiply
    33,695,998.80x = 50,543,998.20 × 10,979,192.40
  4. Step 4: Simplify right side
    33,695,998.80x = 554,932,280,903,053.75
  5. Step 5: Solve for x
    x = 554,932,280,903,053.75/33,695,998.80
  6. Step 6: Final answer
    x = 16,468,788.60

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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.