Home / 12,162,620.60-18,243,930.90-4,072,907.60

Finding the Fourth Proportional to 12,162,620.60, 18,243,930.90 and 4,072,907.60

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Solution

The fourth proportional to 12,162,620.60, 18,243,930.90 and 4,072,907.60 is: 6,109,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,162,620.60 : 18,243,930.90 = 4,072,907.60 : x
  2. Step 2: Convert to fraction form
    12,162,620.60/18,243,930.90 = 4,072,907.60/x
  3. Step 3: Cross multiply
    12,162,620.60x = 18,243,930.90 × 4,072,907.60
  4. Step 4: Simplify right side
    12,162,620.60x = 74,305,844,816,484.83
  5. Step 5: Solve for x
    x = 74,305,844,816,484.83/12,162,620.60
  6. Step 6: Final answer
    x = 6,109,361.40

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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.