Home / 11,789,780.80-17,684,671.20-4,216,993.60

Finding the Fourth Proportional to 11,789,780.80, 17,684,671.20 and 4,216,993.60

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Solution

The fourth proportional to 11,789,780.80, 17,684,671.20 and 4,216,993.60 is: 6,325,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789,780.80 : 17,684,671.20 = 4,216,993.60 : x
  2. Step 2: Convert to fraction form
    11,789,780.80/17,684,671.20 = 4,216,993.60/x
  3. Step 3: Cross multiply
    11,789,780.80x = 17,684,671.20 × 4,216,993.60
  4. Step 4: Simplify right side
    11,789,780.80x = 74,576,145,268,504.31
  5. Step 5: Solve for x
    x = 74,576,145,268,504.31/11,789,780.80
  6. Step 6: Final answer
    x = 6,325,490.40

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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.