Home / 28,876,391.32-43,285,440.75-18,101,258.97

Finding the Fourth Proportional to 28,876,391.32, 43,285,440.75 and 18,101,258.97

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Solution

The fourth proportional to 28,876,391.32, 43,285,440.75 and 18,101,258.97 is: 27,133,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876,391.32 : 43,285,440.75 = 18,101,258.97 : x
  2. Step 2: Convert to fraction form
    28,876,391.32/43,285,440.75 = 18,101,258.97/x
  3. Step 3: Cross multiply
    28,876,391.32x = 43,285,440.75 × 18,101,258.97
  4. Step 4: Simplify right side
    28,876,391.32x = 783,520,972,646,341
  5. Step 5: Solve for x
    x = 783,520,972,646,341/28,876,391.32
  6. Step 6: Final answer
    x = 27,133,618.05

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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.