Finding the Fourth Proportional to 9,511,741.44, 13,045,495.83 and 9,121,128.84
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Solution
The fourth proportional to 9,511,741.44, 13,045,495.83 and 9,121,128.84 is: 12,509,764.80
Step by Step Solution
- Step 1: Write the proportion equation
9,511,741.44 : 13,045,495.83 = 9,121,128.84 : x - Step 2: Convert to fraction form
9,511,741.44/13,045,495.83 = 9,121,128.84/x - Step 3: Cross multiply
9,511,741.44x = 13,045,495.83 × 9,121,128.84 - Step 4: Simplify right side
9,511,741.44x = 118,989,648,247,112.73 - Step 5: Solve for x
x = 118,989,648,247,112.73/9,511,741.44 - Step 6: Final answer
x = 12,509,764.80
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.