Home / 12,485,191.48-18,727,787.34-3,509,743.48

Finding the Fourth Proportional to 12,485,191.48, 18,727,787.34 and 3,509,743.48

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Solution

The fourth proportional to 12,485,191.48, 18,727,787.34 and 3,509,743.48 is: 5,264,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,191.48 : 18,727,787.34 = 3,509,743.48 : x
  2. Step 2: Convert to fraction form
    12,485,191.48/18,727,787.34 = 3,509,743.48/x
  3. Step 3: Cross multiply
    12,485,191.48x = 18,727,787.34 × 3,509,743.48
  4. Step 4: Simplify right side
    12,485,191.48x = 65,729,729,511,391.54
  5. Step 5: Solve for x
    x = 65,729,729,511,391.54/12,485,191.48
  6. Step 6: Final answer
    x = 5,264,615.25

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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.