Home / 11,234,943.14-15,520,093.90-8,940,167.78

Finding the Fourth Proportional to 11,234,943.14, 15,520,093.90 and 8,940,167.78

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Solution

The fourth proportional to 11,234,943.14, 15,520,093.90 and 8,940,167.78 is: 12,350,061.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,234,943.14 : 15,520,093.90 = 8,940,167.78 : x
  2. Step 2: Convert to fraction form
    11,234,943.14/15,520,093.90 = 8,940,167.78/x
  3. Step 3: Cross multiply
    11,234,943.14x = 15,520,093.90 × 8,940,167.78
  4. Step 4: Simplify right side
    11,234,943.14x = 138,752,243,327,403.67
  5. Step 5: Solve for x
    x = 138,752,243,327,403.67/11,234,943.14
  6. Step 6: Final answer
    x = 12,350,061.91

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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.