Home / 18,964,894.23-28,435,821.78-7,436,550.36

Finding the Fourth Proportional to 18,964,894.23, 28,435,821.78 and 7,436,550.36

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Solution

The fourth proportional to 18,964,894.23, 28,435,821.78 and 7,436,550.36 is: 11,150,308.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,894.23 : 28,435,821.78 = 7,436,550.36 : x
  2. Step 2: Convert to fraction form
    18,964,894.23/28,435,821.78 = 7,436,550.36/x
  3. Step 3: Cross multiply
    18,964,894.23x = 28,435,821.78 × 7,436,550.36
  4. Step 4: Simplify right side
    18,964,894.23x = 211,464,420,775,340.06
  5. Step 5: Solve for x
    x = 211,464,420,775,340.06/18,964,894.23
  6. Step 6: Final answer
    x = 11,150,308.47

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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.