Home / 12,886,813.88-17,783,324.88-7,085,250.44

Finding the Fourth Proportional to 12,886,813.88, 17,783,324.88 and 7,085,250.44

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Solution

The fourth proportional to 12,886,813.88, 17,783,324.88 and 7,085,250.44 is: 9,777,382.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886,813.88 : 17,783,324.88 = 7,085,250.44 : x
  2. Step 2: Convert to fraction form
    12,886,813.88/17,783,324.88 = 7,085,250.44/x
  3. Step 3: Cross multiply
    12,886,813.88x = 17,783,324.88 × 7,085,250.44
  4. Step 4: Simplify right side
    12,886,813.88x = 125,999,310,430,682.95
  5. Step 5: Solve for x
    x = 125,999,310,430,682.95/12,886,813.88
  6. Step 6: Final answer
    x = 9,777,382.65

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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.