Home / 12,150,442.98-18,225,682.20-4,961,976.93

Finding the Fourth Proportional to 12,150,442.98, 18,225,682.20 and 4,961,976.93

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Solution

The fourth proportional to 12,150,442.98, 18,225,682.20 and 4,961,976.93 is: 7,442,972.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150,442.98 : 18,225,682.20 = 4,961,976.93 : x
  2. Step 2: Convert to fraction form
    12,150,442.98/18,225,682.20 = 4,961,976.93/x
  3. Step 3: Cross multiply
    12,150,442.98x = 18,225,682.20 × 4,961,976.93
  4. Step 4: Simplify right side
    12,150,442.98x = 90,435,414,609,911.64
  5. Step 5: Solve for x
    x = 90,435,414,609,911.64/12,150,442.98
  6. Step 6: Final answer
    x = 7,442,972.64

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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.