Home / 8,690,201.80-13,039,968.30-3,642,022.60

Finding the Fourth Proportional to 8,690,201.80, 13,039,968.30 and 3,642,022.60

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Solution

The fourth proportional to 8,690,201.80, 13,039,968.30 and 3,642,022.60 is: 5,464,989.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,201.80 : 13,039,968.30 = 3,642,022.60 : x
  2. Step 2: Convert to fraction form
    8,690,201.80/13,039,968.30 = 3,642,022.60/x
  3. Step 3: Cross multiply
    8,690,201.80x = 13,039,968.30 × 3,642,022.60
  4. Step 4: Simplify right side
    8,690,201.80x = 47,491,859,251,883.59
  5. Step 5: Solve for x
    x = 47,491,859,251,883.59/8,690,201.80
  6. Step 6: Final answer
    x = 5,464,989.23

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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.