Home / 11,920,633.51-16,456,305.81-7,998,986.52

Finding the Fourth Proportional to 11,920,633.51, 16,456,305.81 and 7,998,986.52

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Solution

The fourth proportional to 11,920,633.51, 16,456,305.81 and 7,998,986.52 is: 11,042,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,920,633.51 : 16,456,305.81 = 7,998,986.52 : x
  2. Step 2: Convert to fraction form
    11,920,633.51/16,456,305.81 = 7,998,986.52/x
  3. Step 3: Cross multiply
    11,920,633.51x = 16,456,305.81 × 7,998,986.52
  4. Step 4: Simplify right side
    11,920,633.51x = 131,633,768,260,906.16
  5. Step 5: Solve for x
    x = 131,633,768,260,906.16/11,920,633.51
  6. Step 6: Final answer
    x = 11,042,514.49

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1.5x scale

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.