Home / 28,876,391.70-43,285,441.31-18,101,259.35

Finding the Fourth Proportional to 28,876,391.70, 43,285,441.31 and 18,101,259.35

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Solution

The fourth proportional to 28,876,391.70, 43,285,441.31 and 18,101,259.35 is: 27,133,618.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,391.70 : 43,285,441.31 = 18,101,259.35 : x
  2. Step 2: Convert to fraction form
    28,876,391.70/43,285,441.31 = 18,101,259.35/x
  3. Step 3: Cross multiply
    28,876,391.70x = 43,285,441.31 × 18,101,259.35
  4. Step 4: Simplify right side
    28,876,391.70x = 783,520,999,231,513.88
  5. Step 5: Solve for x
    x = 783,520,999,231,513.88/28,876,391.70
  6. Step 6: Final answer
    x = 27,133,618.61

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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.