Home / 13,290,540.57-18,340,837.38-7,410,104.90

Finding the Fourth Proportional to 13,290,540.57, 18,340,837.38 and 7,410,104.90

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Solution

The fourth proportional to 13,290,540.57, 18,340,837.38 and 7,410,104.90 is: 10,225,884.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290,540.57 : 18,340,837.38 = 7,410,104.90 : x
  2. Step 2: Convert to fraction form
    13,290,540.57/18,340,837.38 = 7,410,104.90/x
  3. Step 3: Cross multiply
    13,290,540.57x = 18,340,837.38 × 7,410,104.90
  4. Step 4: Simplify right side
    13,290,540.57x = 135,907,528,847,936.95
  5. Step 5: Solve for x
    x = 135,907,528,847,936.95/13,290,540.57
  6. Step 6: Final answer
    x = 10,225,884.20

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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.