Finding the Fourth Proportional to 7,458,415.32, 11,183,123.22 and 2,847,702.64
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Solution
The fourth proportional to 7,458,415.32, 11,183,123.22 and 2,847,702.64 is: 4,269,835.90
Step by Step Solution
- Step 1: Write the proportion equation
7,458,415.32 : 11,183,123.22 = 2,847,702.64 : x - Step 2: Convert to fraction form
7,458,415.32/11,183,123.22 = 2,847,702.64/x - Step 3: Cross multiply
7,458,415.32x = 11,183,123.22 × 2,847,702.64 - Step 4: Simplify right side
7,458,415.32x = 31,846,209,517,039.30 - Step 5: Solve for x
x = 31,846,209,517,039.30/7,458,415.32 - Step 6: Final answer
x = 4,269,835.90
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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.