Home / 27,150,730.92-37,467,678.42-20,212,407.72

Finding the Fourth Proportional to 27,150,730.92, 37,467,678.42 and 20,212,407.72

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Solution

The fourth proportional to 27,150,730.92, 37,467,678.42 and 20,212,407.72 is: 27,892,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,150,730.92 : 37,467,678.42 = 20,212,407.72 : x
  2. Step 2: Convert to fraction form
    27,150,730.92/37,467,678.42 = 20,212,407.72/x
  3. Step 3: Cross multiply
    27,150,730.92x = 37,467,678.42 × 20,212,407.72
  4. Step 4: Simplify right side
    27,150,730.92x = 757,311,992,546,885.38
  5. Step 5: Solve for x
    x = 757,311,992,546,885.38/27,150,730.92
  6. Step 6: Final answer
    x = 27,892,876.80

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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.