Home / 12,138,979.59-16,751,596.32-6,632,236.17

Finding the Fourth Proportional to 12,138,979.59, 16,751,596.32 and 6,632,236.17

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Solution

The fourth proportional to 12,138,979.59, 16,751,596.32 and 6,632,236.17 is: 9,152,379.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138,979.59 : 16,751,596.32 = 6,632,236.17 : x
  2. Step 2: Convert to fraction form
    12,138,979.59/16,751,596.32 = 6,632,236.17/x
  3. Step 3: Cross multiply
    12,138,979.59x = 16,751,596.32 × 6,632,236.17
  4. Step 4: Simplify right side
    12,138,979.59x = 111,100,543,018,742.89
  5. Step 5: Solve for x
    x = 111,100,543,018,742.89/12,138,979.59
  6. Step 6: Final answer
    x = 9,152,379.09

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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.