Home / 13,760,685.68-20,524,931.26-11,949,324.80

Finding the Fourth Proportional to 13,760,685.68, 20,524,931.26 and 11,949,324.80

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Solution

The fourth proportional to 13,760,685.68, 20,524,931.26 and 11,949,324.80 is: 17,823,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,685.68 : 20,524,931.26 = 11,949,324.80 : x
  2. Step 2: Convert to fraction form
    13,760,685.68/20,524,931.26 = 11,949,324.80/x
  3. Step 3: Cross multiply
    13,760,685.68x = 20,524,931.26 × 11,949,324.80
  4. Step 4: Simplify right side
    13,760,685.68x = 245,259,070,123,413.28
  5. Step 5: Solve for x
    x = 245,259,070,123,413.28/13,760,685.68
  6. Step 6: Final answer
    x = 17,823,172.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.