Home / 36,657,081.51-55,008,327.43-21,311,592.78

Finding the Fourth Proportional to 36,657,081.51, 55,008,327.43 and 21,311,592.78

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Solution

The fourth proportional to 36,657,081.51, 55,008,327.43 and 21,311,592.78 is: 31,980,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,657,081.51 : 55,008,327.43 = 21,311,592.78 : x
  2. Step 2: Convert to fraction form
    36,657,081.51/55,008,327.43 = 21,311,592.78/x
  3. Step 3: Cross multiply
    36,657,081.51x = 55,008,327.43 × 21,311,592.78
  4. Step 4: Simplify right side
    36,657,081.51x = 1,172,315,073,870,099
  5. Step 5: Solve for x
    x = 1,172,315,073,870,099/36,657,081.51
  6. Step 6: Final answer
    x = 31,980,589.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.