Home / 47,321,879.42-71,004,790.38-18,166,017.51

Finding the Fourth Proportional to 47,321,879.42, 71,004,790.38 and 18,166,017.51

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Solution

The fourth proportional to 47,321,879.42, 71,004,790.38 and 18,166,017.51 is: 27,257,460.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321,879.42 : 71,004,790.38 = 18,166,017.51 : x
  2. Step 2: Convert to fraction form
    47,321,879.42/71,004,790.38 = 18,166,017.51/x
  3. Step 3: Cross multiply
    47,321,879.42x = 71,004,790.38 × 18,166,017.51
  4. Step 4: Simplify right side
    47,321,879.42x = 1,289,874,265,336,959.50
  5. Step 5: Solve for x
    x = 1,289,874,265,336,959.50/47,321,879.42
  6. Step 6: Final answer
    x = 27,257,460.64

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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.