Home / 7,880,468.66-11,821,057.09-2,415,163.10

Finding the Fourth Proportional to 7,880,468.66, 11,821,057.09 and 2,415,163.10

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Solution

The fourth proportional to 7,880,468.66, 11,821,057.09 and 2,415,163.10 is: 3,622,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,468.66 : 11,821,057.09 = 2,415,163.10 : x
  2. Step 2: Convert to fraction form
    7,880,468.66/11,821,057.09 = 2,415,163.10/x
  3. Step 3: Cross multiply
    7,880,468.66x = 11,821,057.09 × 2,415,163.10
  4. Step 4: Simplify right side
    7,880,468.66x = 28,549,780,910,276.12
  5. Step 5: Solve for x
    x = 28,549,780,910,276.12/7,880,468.66
  6. Step 6: Final answer
    x = 3,622,853.18

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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.