Home / 36,978,738.12-55,360,176.30-21,578,836.68

Finding the Fourth Proportional to 36,978,738.12, 55,360,176.30 and 21,578,836.68

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Solution

The fourth proportional to 36,978,738.12, 55,360,176.30 and 21,578,836.68 is: 32,305,272.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978,738.12 : 55,360,176.30 = 21,578,836.68 : x
  2. Step 2: Convert to fraction form
    36,978,738.12/55,360,176.30 = 21,578,836.68/x
  3. Step 3: Cross multiply
    36,978,738.12x = 55,360,176.30 × 21,578,836.68
  4. Step 4: Simplify right side
    36,978,738.12x = 1,194,608,202,953,706.50
  5. Step 5: Solve for x
    x = 1,194,608,202,953,706.50/36,978,738.12
  6. Step 6: Final answer
    x = 32,305,272.26

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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.