Home / 12,171,164.88-16,795,464.54-6,664,605.06

Finding the Fourth Proportional to 12,171,164.88, 16,795,464.54 and 6,664,605.06

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Solution

The fourth proportional to 12,171,164.88, 16,795,464.54 and 6,664,605.06 is: 9,196,748.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,171,164.88 : 16,795,464.54 = 6,664,605.06 : x
  2. Step 2: Convert to fraction form
    12,171,164.88/16,795,464.54 = 6,664,605.06/x
  3. Step 3: Cross multiply
    12,171,164.88x = 16,795,464.54 × 6,664,605.06
  4. Step 4: Simplify right side
    12,171,164.88x = 111,935,137,958,334.56
  5. Step 5: Solve for x
    x = 111,935,137,958,334.56/12,171,164.88
  6. Step 6: Final answer
    x = 9,196,748.14

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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.