Home / 8,785,816.40-13,172,503.80-3,392,382.80

Finding the Fourth Proportional to 8,785,816.40, 13,172,503.80 and 3,392,382.80

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Solution

The fourth proportional to 8,785,816.40, 13,172,503.80 and 3,392,382.80 is: 5,086,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,816.40 : 13,172,503.80 = 3,392,382.80 : x
  2. Step 2: Convert to fraction form
    8,785,816.40/13,172,503.80 = 3,392,382.80/x
  3. Step 3: Cross multiply
    8,785,816.40x = 13,172,503.80 × 3,392,382.80
  4. Step 4: Simplify right side
    8,785,816.40x = 44,686,175,324,054.64
  5. Step 5: Solve for x
    x = 44,686,175,324,054.64/8,785,816.40
  6. Step 6: Final answer
    x = 5,086,172.22

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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.