Home / 18,964,669.44-28,435,484.46-7,436,325.54

Finding the Fourth Proportional to 18,964,669.44, 28,435,484.46 and 7,436,325.54

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Solution

The fourth proportional to 18,964,669.44, 28,435,484.46 and 7,436,325.54 is: 11,149,971.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,669.44 : 28,435,484.46 = 7,436,325.54 : x
  2. Step 2: Convert to fraction form
    18,964,669.44/28,435,484.46 = 7,436,325.54/x
  3. Step 3: Cross multiply
    18,964,669.44x = 28,435,484.46 × 7,436,325.54
  4. Step 4: Simplify right side
    18,964,669.44x = 211,455,519,332,171.12
  5. Step 5: Solve for x
    x = 211,455,519,332,171.12/18,964,669.44
  6. Step 6: Final answer
    x = 11,149,971.27

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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.