Finding the Fourth Proportional to 7,846,745.56, 11,770,339.20 and 2,166,969.88
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Solution
The fourth proportional to 7,846,745.56, 11,770,339.20 and 2,166,969.88 is: 3,250,515.81
Step by Step Solution
- Step 1: Write the proportion equation
7,846,745.56 : 11,770,339.20 = 2,166,969.88 : x - Step 2: Convert to fraction form
7,846,745.56/11,770,339.20 = 2,166,969.88/x - Step 3: Cross multiply
7,846,745.56x = 11,770,339.20 × 2,166,969.88 - Step 4: Simplify right side
7,846,745.56x = 25,505,970,523,783.29 - Step 5: Solve for x
x = 25,505,970,523,783.29/7,846,745.56 - Step 6: Final answer
x = 3,250,515.81
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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.