Home / 12,012,912.60-16,578,086.94-6,856,170.36

Finding the Fourth Proportional to 12,012,912.60, 16,578,086.94 and 6,856,170.36

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Solution

The fourth proportional to 12,012,912.60, 16,578,086.94 and 6,856,170.36 is: 9,461,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,012,912.60 : 16,578,086.94 = 6,856,170.36 : x
  2. Step 2: Convert to fraction form
    12,012,912.60/16,578,086.94 = 6,856,170.36/x
  3. Step 3: Cross multiply
    12,012,912.60x = 16,578,086.94 × 6,856,170.36
  4. Step 4: Simplify right side
    12,012,912.60x = 113,662,188,303,531.09
  5. Step 5: Solve for x
    x = 113,662,188,303,531.09/12,012,912.60
  6. Step 6: Final answer
    x = 9,461,667.80

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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.