Home / 5,012,172.57-7,505,541.05-4,200,422.43

Finding the Fourth Proportional to 5,012,172.57, 7,505,541.05 and 4,200,422.43

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Solution

The fourth proportional to 5,012,172.57, 7,505,541.05 and 4,200,422.43 is: 6,289,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012,172.57 : 7,505,541.05 = 4,200,422.43 : x
  2. Step 2: Convert to fraction form
    5,012,172.57/7,505,541.05 = 4,200,422.43/x
  3. Step 3: Cross multiply
    5,012,172.57x = 7,505,541.05 × 4,200,422.43
  4. Step 4: Simplify right side
    5,012,172.57x = 31,526,442,954,703.64
  5. Step 5: Solve for x
    x = 31,526,442,954,703.64/5,012,172.57
  6. Step 6: Final answer
    x = 6,289,975.56

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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.