Home / 12,238,185.89-16,889,015.06-6,731,702.61

Finding the Fourth Proportional to 12,238,185.89, 16,889,015.06 and 6,731,702.61

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Solution

The fourth proportional to 12,238,185.89, 16,889,015.06 and 6,731,702.61 is: 9,289,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,185.89 : 16,889,015.06 = 6,731,702.61 : x
  2. Step 2: Convert to fraction form
    12,238,185.89/16,889,015.06 = 6,731,702.61/x
  3. Step 3: Cross multiply
    12,238,185.89x = 16,889,015.06 × 6,731,702.61
  4. Step 4: Simplify right side
    12,238,185.89x = 113,691,826,726,072.80
  5. Step 5: Solve for x
    x = 113,691,826,726,072.80/12,238,185.89
  6. Step 6: Final answer
    x = 9,289,924.81

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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.