Home / 18,940,575.76-26,120,563.24-12,411,834

Finding the Fourth Proportional to 18,940,575.76, 26,120,563.24 and 12,411,834

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Solution

The fourth proportional to 18,940,575.76, 26,120,563.24 and 12,411,834 is: 17,116,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,575.76 : 26,120,563.24 = 12,411,834 : x
  2. Step 2: Convert to fraction form
    18,940,575.76/26,120,563.24 = 12,411,834/x
  3. Step 3: Cross multiply
    18,940,575.76x = 26,120,563.24 × 12,411,834
  4. Step 4: Simplify right side
    18,940,575.76x = 324,204,094,921,382.12
  5. Step 5: Solve for x
    x = 324,204,094,921,382.12/18,940,575.76
  6. Step 6: Final answer
    x = 17,116,908.11

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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.