Home / 28,978,054.20-43,467,081.30-15,541,126.20

Finding the Fourth Proportional to 28,978,054.20, 43,467,081.30 and 15,541,126.20

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Solution

The fourth proportional to 28,978,054.20, 43,467,081.30 and 15,541,126.20 is: 23,311,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,054.20 : 43,467,081.30 = 15,541,126.20 : x
  2. Step 2: Convert to fraction form
    28,978,054.20/43,467,081.30 = 15,541,126.20/x
  3. Step 3: Cross multiply
    28,978,054.20x = 43,467,081.30 × 15,541,126.20
  4. Step 4: Simplify right side
    28,978,054.20x = 675,527,396,028,960
  5. Step 5: Solve for x
    x = 675,527,396,028,960/28,978,054.20
  6. Step 6: Final answer
    x = 23,311,689.30

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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.