Home / 6,388,520.40-8,820,137.52-4,066,723.44

Finding the Fourth Proportional to 6,388,520.40, 8,820,137.52 and 4,066,723.44

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Solution

The fourth proportional to 6,388,520.40, 8,820,137.52 and 4,066,723.44 is: 5,614,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388,520.40 : 8,820,137.52 = 4,066,723.44 : x
  2. Step 2: Convert to fraction form
    6,388,520.40/8,820,137.52 = 4,066,723.44/x
  3. Step 3: Cross multiply
    6,388,520.40x = 8,820,137.52 × 4,066,723.44
  4. Step 4: Simplify right side
    6,388,520.40x = 35,869,059,996,607.47
  5. Step 5: Solve for x
    x = 35,869,059,996,607.47/6,388,520.40
  6. Step 6: Final answer
    x = 5,614,611.48

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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.