Home / 11,978,449.37-16,530,260.12-6,822,290.69

Finding the Fourth Proportional to 11,978,449.37, 16,530,260.12 and 6,822,290.69

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Solution

The fourth proportional to 11,978,449.37, 16,530,260.12 and 6,822,290.69 is: 9,414,761.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,449.37 : 16,530,260.12 = 6,822,290.69 : x
  2. Step 2: Convert to fraction form
    11,978,449.37/16,530,260.12 = 6,822,290.69/x
  3. Step 3: Cross multiply
    11,978,449.37x = 16,530,260.12 × 6,822,290.69
  4. Step 4: Simplify right side
    11,978,449.37x = 112,774,239,637,302.97
  5. Step 5: Solve for x
    x = 112,774,239,637,302.97/11,978,449.37
  6. Step 6: Final answer
    x = 9,414,761.14

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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.