Home / 6,288,899.73-8,678,989.13-3,536,453.31

Finding the Fourth Proportional to 6,288,899.73, 8,678,989.13 and 3,536,453.31

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Solution

The fourth proportional to 6,288,899.73, 8,678,989.13 and 3,536,453.31 is: 4,880,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288,899.73 : 8,678,989.13 = 3,536,453.31 : x
  2. Step 2: Convert to fraction form
    6,288,899.73/8,678,989.13 = 3,536,453.31/x
  3. Step 3: Cross multiply
    6,288,899.73x = 8,678,989.13 × 3,536,453.31
  4. Step 4: Simplify right side
    6,288,899.73x = 30,692,839,805,906.59
  5. Step 5: Solve for x
    x = 30,692,839,805,906.59/6,288,899.73
  6. Step 6: Final answer
    x = 4,880,478.48

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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.