Home / 11,178,309.30-16,787,739.15-9,784,850.10

Finding the Fourth Proportional to 11,178,309.30, 16,787,739.15 and 9,784,850.10

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Solution

The fourth proportional to 11,178,309.30, 16,787,739.15 and 9,784,850.10 is: 14,695,022.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,178,309.30 : 16,787,739.15 = 9,784,850.10 : x
  2. Step 2: Convert to fraction form
    11,178,309.30/16,787,739.15 = 9,784,850.10/x
  3. Step 3: Cross multiply
    11,178,309.30x = 16,787,739.15 × 9,784,850.10
  4. Step 4: Simplify right side
    11,178,309.30x = 164,265,511,100,651.41
  5. Step 5: Solve for x
    x = 164,265,511,100,651.41/11,178,309.30
  6. Step 6: Final answer
    x = 14,695,022.90

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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.