Home / 11,940,857.37-16,478,431.92-6,784,501.86

Finding the Fourth Proportional to 11,940,857.37, 16,478,431.92 and 6,784,501.86

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Solution

The fourth proportional to 11,940,857.37, 16,478,431.92 and 6,784,501.86 is: 9,362,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940,857.37 : 16,478,431.92 = 6,784,501.86 : x
  2. Step 2: Convert to fraction form
    11,940,857.37/16,478,431.92 = 6,784,501.86/x
  3. Step 3: Cross multiply
    11,940,857.37x = 16,478,431.92 × 6,784,501.86
  4. Step 4: Simplify right side
    11,940,857.37x = 111,797,952,011,123.38
  5. Step 5: Solve for x
    x = 111,797,952,011,123.38/11,940,857.37
  6. Step 6: Final answer
    x = 9,362,640.27

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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.