Home / 18,187,212.80-27,291,316.80-6,828,809.60

Finding the Fourth Proportional to 18,187,212.80, 27,291,316.80 and 6,828,809.60

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Solution

The fourth proportional to 18,187,212.80, 27,291,316.80 and 6,828,809.60 is: 10,247,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,187,212.80 : 27,291,316.80 = 6,828,809.60 : x
  2. Step 2: Convert to fraction form
    18,187,212.80/27,291,316.80 = 6,828,809.60/x
  3. Step 3: Cross multiply
    18,187,212.80x = 27,291,316.80 × 6,828,809.60
  4. Step 4: Simplify right side
    18,187,212.80x = 186,367,206,160,481.28
  5. Step 5: Solve for x
    x = 186,367,206,160,481.28/18,187,212.80
  6. Step 6: Final answer
    x = 10,247,155.97

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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.