Home / 20,066,406.32-27,691,169.72-11,807,003.58

Finding the Fourth Proportional to 20,066,406.32, 27,691,169.72 and 11,807,003.58

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Solution

The fourth proportional to 20,066,406.32, 27,691,169.72 and 11,807,003.58 is: 16,293,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066,406.32 : 27,691,169.72 = 11,807,003.58 : x
  2. Step 2: Convert to fraction form
    20,066,406.32/27,691,169.72 = 11,807,003.58/x
  3. Step 3: Cross multiply
    20,066,406.32x = 27,691,169.72 × 11,807,003.58
  4. Step 4: Simplify right side
    20,066,406.32x = 326,949,739,888,752
  5. Step 5: Solve for x
    x = 326,949,739,888,752/20,066,406.32
  6. Step 6: Final answer
    x = 16,293,387.80

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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.