Home / 18,186,772.80-27,290,656.80-6,828,369.60

Finding the Fourth Proportional to 18,186,772.80, 27,290,656.80 and 6,828,369.60

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Solution

The fourth proportional to 18,186,772.80, 27,290,656.80 and 6,828,369.60 is: 10,246,495.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186,772.80 : 27,290,656.80 = 6,828,369.60 : x
  2. Step 2: Convert to fraction form
    18,186,772.80/27,290,656.80 = 6,828,369.60/x
  3. Step 3: Cross multiply
    18,186,772.80x = 27,290,656.80 × 6,828,369.60
  4. Step 4: Simplify right side
    18,186,772.80x = 186,350,691,257,153.28
  5. Step 5: Solve for x
    x = 186,350,691,257,153.28/18,186,772.80
  6. Step 6: Final answer
    x = 10,246,495.81

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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.