Home / 12,430,480.38-18,647,007.75-4,754,077.26

Finding the Fourth Proportional to 12,430,480.38, 18,647,007.75 and 4,754,077.26

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Solution

The fourth proportional to 12,430,480.38, 18,647,007.75 and 4,754,077.26 is: 7,131,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430,480.38 : 18,647,007.75 = 4,754,077.26 : x
  2. Step 2: Convert to fraction form
    12,430,480.38/18,647,007.75 = 4,754,077.26/x
  3. Step 3: Cross multiply
    12,430,480.38x = 18,647,007.75 × 4,754,077.26
  4. Step 4: Simplify right side
    12,430,480.38x = 88,649,315,511,318.77
  5. Step 5: Solve for x
    x = 88,649,315,511,318.77/12,430,480.38
  6. Step 6: Final answer
    x = 7,131,608.18

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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.