Home / 15,990,268.80-22,066,570.86-8,648,101.82

Finding the Fourth Proportional to 15,990,268.80, 22,066,570.86 and 8,648,101.82

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Solution

The fourth proportional to 15,990,268.80, 22,066,570.86 and 8,648,101.82 is: 11,934,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,268.80 : 22,066,570.86 = 8,648,101.82 : x
  2. Step 2: Convert to fraction form
    15,990,268.80/22,066,570.86 = 8,648,101.82/x
  3. Step 3: Cross multiply
    15,990,268.80x = 22,066,570.86 × 8,648,101.82
  4. Step 4: Simplify right side
    15,990,268.80x = 190,833,951,615,524.97
  5. Step 5: Solve for x
    x = 190,833,951,615,524.97/15,990,268.80
  6. Step 6: Final answer
    x = 11,934,380.47

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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.