Home / 11,787,270.80-17,680,906.20-4,214,483.60

Finding the Fourth Proportional to 11,787,270.80, 17,680,906.20 and 4,214,483.60

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Solution

The fourth proportional to 11,787,270.80, 17,680,906.20 and 4,214,483.60 is: 6,321,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787,270.80 : 17,680,906.20 = 4,214,483.60 : x
  2. Step 2: Convert to fraction form
    11,787,270.80/17,680,906.20 = 4,214,483.60/x
  3. Step 3: Cross multiply
    11,787,270.80x = 17,680,906.20 × 4,214,483.60
  4. Step 4: Simplify right side
    11,787,270.80x = 74,515,889,213,038.31
  5. Step 5: Solve for x
    x = 74,515,889,213,038.31/11,787,270.80
  6. Step 6: Final answer
    x = 6,321,725.40

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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.