Home / 21,383,949.10-29,508,025.17-12,091,063.54

Finding the Fourth Proportional to 21,383,949.10, 29,508,025.17 and 12,091,063.54

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Solution

The fourth proportional to 21,383,949.10, 29,508,025.17 and 12,091,063.54 is: 16,684,636.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,383,949.10 : 29,508,025.17 = 12,091,063.54 : x
  2. Step 2: Convert to fraction form
    21,383,949.10/29,508,025.17 = 12,091,063.54/x
  3. Step 3: Cross multiply
    21,383,949.10x = 29,508,025.17 × 12,091,063.54
  4. Step 4: Simplify right side
    21,383,949.10x = 356,783,407,270,389.31
  5. Step 5: Solve for x
    x = 356,783,407,270,389.31/21,383,949.10
  6. Step 6: Final answer
    x = 16,684,636.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.