Home / 11,986,309.73-16,545,605.54-7,856,606.85

Finding the Fourth Proportional to 11,986,309.73, 16,545,605.54 and 7,856,606.85

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Solution

The fourth proportional to 11,986,309.73, 16,545,605.54 and 7,856,606.85 is: 10,845,065.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986,309.73 : 16,545,605.54 = 7,856,606.85 : x
  2. Step 2: Convert to fraction form
    11,986,309.73/16,545,605.54 = 7,856,606.85/x
  3. Step 3: Cross multiply
    11,986,309.73x = 16,545,605.54 × 7,856,606.85
  4. Step 4: Simplify right side
    11,986,309.73x = 129,992,317,783,678.91
  5. Step 5: Solve for x
    x = 129,992,317,783,678.91/11,986,309.73
  6. Step 6: Final answer
    x = 10,845,065.81

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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.