Home / 18,964,953.06-28,435,910.03-7,436,609.23

Finding the Fourth Proportional to 18,964,953.06, 28,435,910.03 and 7,436,609.23

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Solution

The fourth proportional to 18,964,953.06, 28,435,910.03 and 7,436,609.23 is: 11,150,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,953.06 : 28,435,910.03 = 7,436,609.23 : x
  2. Step 2: Convert to fraction form
    18,964,953.06/28,435,910.03 = 7,436,609.23/x
  3. Step 3: Cross multiply
    18,964,953.06x = 28,435,910.03 × 7,436,609.23
  4. Step 4: Simplify right side
    18,964,953.06x = 211,466,751,018,796.69
  5. Step 5: Solve for x
    x = 211,466,751,018,796.69/18,964,953.06
  6. Step 6: Final answer
    x = 11,150,396.75

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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.