Home / 18,120,339.80-27,180,502.12-6,606,669.32

Finding the Fourth Proportional to 18,120,339.80, 27,180,502.12 and 6,606,669.32

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Solution

The fourth proportional to 18,120,339.80, 27,180,502.12 and 6,606,669.32 is: 9,910,001.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,339.80 : 27,180,502.12 = 6,606,669.32 : x
  2. Step 2: Convert to fraction form
    18,120,339.80/27,180,502.12 = 6,606,669.32/x
  3. Step 3: Cross multiply
    18,120,339.80x = 27,180,502.12 × 6,606,669.32
  4. Step 4: Simplify right side
    18,120,339.80x = 179,572,589,458,398.97
  5. Step 5: Solve for x
    x = 179,572,589,458,398.97/18,120,339.80
  6. Step 6: Final answer
    x = 9,910,001.22

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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.