Home / 12,550,115.45-17,320,896.69-7,043,818.07

Finding the Fourth Proportional to 12,550,115.45, 17,320,896.69 and 7,043,818.07

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Solution

The fourth proportional to 12,550,115.45, 17,320,896.69 and 7,043,818.07 is: 9,721,444.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,115.45 : 17,320,896.69 = 7,043,818.07 : x
  2. Step 2: Convert to fraction form
    12,550,115.45/17,320,896.69 = 7,043,818.07/x
  3. Step 3: Cross multiply
    12,550,115.45x = 17,320,896.69 × 7,043,818.07
  4. Step 4: Simplify right side
    12,550,115.45x = 122,005,245,093,625.20
  5. Step 5: Solve for x
    x = 122,005,245,093,625.20/12,550,115.45
  6. Step 6: Final answer
    x = 9,721,444.04

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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.