Home / 12,171,162.87-16,795,461.78-6,664,603.05

Finding the Fourth Proportional to 12,171,162.87, 16,795,461.78 and 6,664,603.05

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Solution

The fourth proportional to 12,171,162.87, 16,795,461.78 and 6,664,603.05 is: 9,196,745.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,162.87 : 16,795,461.78 = 6,664,603.05 : x
  2. Step 2: Convert to fraction form
    12,171,162.87/16,795,461.78 = 6,664,603.05/x
  3. Step 3: Cross multiply
    12,171,162.87x = 16,795,461.78 × 6,664,603.05
  4. Step 4: Simplify right side
    12,171,162.87x = 111,935,085,805,146.44
  5. Step 5: Solve for x
    x = 111,935,085,805,146.44/12,171,162.87
  6. Step 6: Final answer
    x = 9,196,745.37

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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.