Home / 7,918,618.25-11,882,420.64-4,275,299.54

Finding the Fourth Proportional to 7,918,618.25, 11,882,420.64 and 4,275,299.54

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Solution

The fourth proportional to 7,918,618.25, 11,882,420.64 and 4,275,299.54 is: 6,415,375.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,618.25 : 11,882,420.64 = 4,275,299.54 : x
  2. Step 2: Convert to fraction form
    7,918,618.25/11,882,420.64 = 4,275,299.54/x
  3. Step 3: Cross multiply
    7,918,618.25x = 11,882,420.64 × 4,275,299.54
  4. Step 4: Simplify right side
    7,918,618.25x = 50,800,907,496,278.51
  5. Step 5: Solve for x
    x = 50,800,907,496,278.51/7,918,618.25
  6. Step 6: Final answer
    x = 6,415,375.25

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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.