Home / 18,187,219.80-27,291,327.30-6,828,816.60

Finding the Fourth Proportional to 18,187,219.80, 27,291,327.30 and 6,828,816.60

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Solution

The fourth proportional to 18,187,219.80, 27,291,327.30 and 6,828,816.60 is: 10,247,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,219.80 : 27,291,327.30 = 6,828,816.60 : x
  2. Step 2: Convert to fraction form
    18,187,219.80/27,291,327.30 = 6,828,816.60/x
  3. Step 3: Cross multiply
    18,187,219.80x = 27,291,327.30 × 6,828,816.60
  4. Step 4: Simplify right side
    18,187,219.80x = 186,367,468,902,273.19
  5. Step 5: Solve for x
    x = 186,367,468,902,273.19/18,187,219.80
  6. Step 6: Final answer
    x = 10,247,166.47

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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.