Home / 11,817,019.82-16,307,471.56-6,384,511.82

Finding the Fourth Proportional to 11,817,019.82, 16,307,471.56 and 6,384,511.82

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Solution

The fourth proportional to 11,817,019.82, 16,307,471.56 and 6,384,511.82 is: 8,810,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,817,019.82 : 16,307,471.56 = 6,384,511.82 : x
  2. Step 2: Convert to fraction form
    11,817,019.82/16,307,471.56 = 6,384,511.82/x
  3. Step 3: Cross multiply
    11,817,019.82x = 16,307,471.56 × 6,384,511.82
  4. Step 4: Simplify right side
    11,817,019.82x = 104,115,244,929,133.84
  5. Step 5: Solve for x
    x = 104,115,244,929,133.84/11,817,019.82
  6. Step 6: Final answer
    x = 8,810,617.78

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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.