Home / 8,171,422.21-11,276,198.84-4,684,260.96

Finding the Fourth Proportional to 8,171,422.21, 11,276,198.84 and 4,684,260.96

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Solution

The fourth proportional to 8,171,422.21, 11,276,198.84 and 4,684,260.96 is: 6,464,071.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171,422.21 : 11,276,198.84 = 4,684,260.96 : x
  2. Step 2: Convert to fraction form
    8,171,422.21/11,276,198.84 = 4,684,260.96/x
  3. Step 3: Cross multiply
    8,171,422.21x = 11,276,198.84 × 4,684,260.96
  4. Step 4: Simplify right side
    8,171,422.21x = 52,820,657,989,996.38
  5. Step 5: Solve for x
    x = 52,820,657,989,996.38/8,171,422.21
  6. Step 6: Final answer
    x = 6,464,071.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.