Home / 12,147,791.66-18,184,158.36-6,669,181.70

Finding the Fourth Proportional to 12,147,791.66, 18,184,158.36 and 6,669,181.70

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Solution

The fourth proportional to 12,147,791.66, 18,184,158.36 and 6,669,181.70 is: 9,983,168.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,147,791.66 : 18,184,158.36 = 6,669,181.70 : x
  2. Step 2: Convert to fraction form
    12,147,791.66/18,184,158.36 = 6,669,181.70/x
  3. Step 3: Cross multiply
    12,147,791.66x = 18,184,158.36 × 6,669,181.70
  4. Step 4: Simplify right side
    12,147,791.66x = 121,273,456,164,414.02
  5. Step 5: Solve for x
    x = 121,273,456,164,414.02/12,147,791.66
  6. Step 6: Final answer
    x = 9,983,168.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.