Home / 18,847,518.48-28,267,912.24-5,014,556.71

Finding the Fourth Proportional to 18,847,518.48, 28,267,912.24 and 5,014,556.71

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Solution

The fourth proportional to 18,847,518.48, 28,267,912.24 and 5,014,556.71 is: 7,520,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847,518.48 : 28,267,912.24 = 5,014,556.71 : x
  2. Step 2: Convert to fraction form
    18,847,518.48/28,267,912.24 = 5,014,556.71/x
  3. Step 3: Cross multiply
    18,847,518.48x = 28,267,912.24 × 5,014,556.71
  4. Step 4: Simplify right side
    18,847,518.48x = 141,751,048,917,576.94
  5. Step 5: Solve for x
    x = 141,751,048,917,576.94/18,847,518.48
  6. Step 6: Final answer
    x = 7,520,939.64

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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.