Home / 6,789,832.80-9,370,062.09-3,889,222.08

Finding the Fourth Proportional to 6,789,832.80, 9,370,062.09 and 3,889,222.08

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Solution

The fourth proportional to 6,789,832.80, 9,370,062.09 and 3,889,222.08 is: 5,367,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789,832.80 : 9,370,062.09 = 3,889,222.08 : x
  2. Step 2: Convert to fraction form
    6,789,832.80/9,370,062.09 = 3,889,222.08/x
  3. Step 3: Cross multiply
    6,789,832.80x = 9,370,062.09 × 3,889,222.08
  4. Step 4: Simplify right side
    6,789,832.80x = 36,442,252,371,398.95
  5. Step 5: Solve for x
    x = 36,442,252,371,398.95/6,789,832.80
  6. Step 6: Final answer
    x = 5,367,179.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.