Home / 28,876,680.70-43,285,857.19-18,101,534.20

Finding the Fourth Proportional to 28,876,680.70, 43,285,857.19 and 18,101,534.20

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Solution

The fourth proportional to 28,876,680.70, 43,285,857.19 and 18,101,534.20 is: 27,134,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,680.70 : 43,285,857.19 = 18,101,534.20 : x
  2. Step 2: Convert to fraction form
    28,876,680.70/43,285,857.19 = 18,101,534.20/x
  3. Step 3: Cross multiply
    28,876,680.70x = 43,285,857.19 × 18,101,534.20
  4. Step 4: Simplify right side
    28,876,680.70x = 783,540,424,301,100.88
  5. Step 5: Solve for x
    x = 783,540,424,301,100.88/28,876,680.70
  6. Step 6: Final answer
    x = 27,134,019.75

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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.