Home / 14,753,832.78-20,360,378.07-8,227,874.82

Finding the Fourth Proportional to 14,753,832.78, 20,360,378.07 and 8,227,874.82

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Solution

The fourth proportional to 14,753,832.78, 20,360,378.07 and 8,227,874.82 is: 11,354,516.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753,832.78 : 20,360,378.07 = 8,227,874.82 : x
  2. Step 2: Convert to fraction form
    14,753,832.78/20,360,378.07 = 8,227,874.82/x
  3. Step 3: Cross multiply
    14,753,832.78x = 20,360,378.07 × 8,227,874.82
  4. Step 4: Simplify right side
    14,753,832.78x = 167,522,642,047,833.22
  5. Step 5: Solve for x
    x = 167,522,642,047,833.22/14,753,832.78
  6. Step 6: Final answer
    x = 11,354,516.79

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1.5x scale

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.