Home / 47,405,253.36-71,137,771.38-18,647,651.64

Finding the Fourth Proportional to 47,405,253.36, 71,137,771.38 and 18,647,651.64

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Solution

The fourth proportional to 47,405,253.36, 71,137,771.38 and 18,647,651.64 is: 27,983,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,405,253.36 : 71,137,771.38 = 18,647,651.64 : x
  2. Step 2: Convert to fraction form
    47,405,253.36/71,137,771.38 = 18,647,651.64/x
  3. Step 3: Cross multiply
    47,405,253.36x = 71,137,771.38 × 18,647,651.64
  4. Step 4: Simplify right side
    47,405,253.36x = 1,326,552,379,140,202
  5. Step 5: Solve for x
    x = 1,326,552,379,140,202/47,405,253.36
  6. Step 6: Final answer
    x = 27,983,235.72

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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.