Home / 18,151,884.41-25,048,871.62-9,891,770.64

Finding the Fourth Proportional to 18,151,884.41, 25,048,871.62 and 9,891,770.64

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Solution

The fourth proportional to 18,151,884.41, 25,048,871.62 and 9,891,770.64 is: 13,650,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151,884.41 : 25,048,871.62 = 9,891,770.64 : x
  2. Step 2: Convert to fraction form
    18,151,884.41/25,048,871.62 = 9,891,770.64/x
  3. Step 3: Cross multiply
    18,151,884.41x = 25,048,871.62 × 9,891,770.64
  4. Step 4: Simplify right side
    18,151,884.41x = 247,777,692,855,845.25
  5. Step 5: Solve for x
    x = 247,777,692,855,845.25/18,151,884.41
  6. Step 6: Final answer
    x = 13,650,246.29

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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.