Home / 18,254,847.57-25,190,730.68-9,993,326.60

Finding the Fourth Proportional to 18,254,847.57, 25,190,730.68 and 9,993,326.60

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Solution

The fourth proportional to 18,254,847.57, 25,190,730.68 and 9,993,326.60 is: 13,790,265.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254,847.57 : 25,190,730.68 = 9,993,326.60 : x
  2. Step 2: Convert to fraction form
    18,254,847.57/25,190,730.68 = 9,993,326.60/x
  3. Step 3: Cross multiply
    18,254,847.57x = 25,190,730.68 × 9,993,326.60
  4. Step 4: Simplify right side
    18,254,847.57x = 251,739,198,801,959.81
  5. Step 5: Solve for x
    x = 251,739,198,801,959.81/18,254,847.57
  6. Step 6: Final answer
    x = 13,790,265.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.