Home / 12,886,813.38-17,783,324.19-7,085,249.94

Finding the Fourth Proportional to 12,886,813.38, 17,783,324.19 and 7,085,249.94

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Solution

The fourth proportional to 12,886,813.38, 17,783,324.19 and 7,085,249.94 is: 9,777,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,813.38 : 17,783,324.19 = 7,085,249.94 : x
  2. Step 2: Convert to fraction form
    12,886,813.38/17,783,324.19 = 7,085,249.94/x
  3. Step 3: Cross multiply
    12,886,813.38x = 17,783,324.19 × 7,085,249.94
  4. Step 4: Simplify right side
    12,886,813.38x = 125,999,296,650,198.06
  5. Step 5: Solve for x
    x = 125,999,296,650,198.06/12,886,813.38
  6. Step 6: Final answer
    x = 9,777,381.96

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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.