Home / 18,964,544.72-28,435,297.44-7,436,200.16

Finding the Fourth Proportional to 18,964,544.72, 28,435,297.44 and 7,436,200.16

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Solution

The fourth proportional to 18,964,544.72, 28,435,297.44 and 7,436,200.16 is: 11,149,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,544.72 : 28,435,297.44 = 7,436,200.16 : x
  2. Step 2: Convert to fraction form
    18,964,544.72/28,435,297.44 = 7,436,200.16/x
  3. Step 3: Cross multiply
    18,964,544.72x = 28,435,297.44 × 7,436,200.16
  4. Step 4: Simplify right side
    18,964,544.72x = 211,450,563,372,975.59
  5. Step 5: Solve for x
    x = 211,450,563,372,975.59/18,964,544.72
  6. Step 6: Final answer
    x = 11,149,783.27

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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.