Home / 12,659,427.81-17,469,913.82-6,858,168.05

Finding the Fourth Proportional to 12,659,427.81, 17,469,913.82 and 6,858,168.05

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Solution

The fourth proportional to 12,659,427.81, 17,469,913.82 and 6,858,168.05 is: 9,464,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,427.81 : 17,469,913.82 = 6,858,168.05 : x
  2. Step 2: Convert to fraction form
    12,659,427.81/17,469,913.82 = 6,858,168.05/x
  3. Step 3: Cross multiply
    12,659,427.81x = 17,469,913.82 × 6,858,168.05
  4. Step 4: Simplify right side
    12,659,427.81x = 119,811,604,805,961.41
  5. Step 5: Solve for x
    x = 119,811,604,805,961.41/12,659,427.81
  6. Step 6: Final answer
    x = 9,464,219.60

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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.