Home / 15,136,049.99-20,884,998.78-8,942,105.13

Finding the Fourth Proportional to 15,136,049.99, 20,884,998.78 and 8,942,105.13

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Solution

The fourth proportional to 15,136,049.99, 20,884,998.78 and 8,942,105.13 is: 12,338,480.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,049.99 : 20,884,998.78 = 8,942,105.13 : x
  2. Step 2: Convert to fraction form
    15,136,049.99/20,884,998.78 = 8,942,105.13/x
  3. Step 3: Cross multiply
    15,136,049.99x = 20,884,998.78 × 8,942,105.13
  4. Step 4: Simplify right side
    15,136,049.99x = 186,755,854,816,016.53
  5. Step 5: Solve for x
    x = 186,755,854,816,016.53/15,136,049.99
  6. Step 6: Final answer
    x = 12,338,480.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.