Finding the Fourth Proportional to 7,006,814.26, 10,505,174.88 and 4,305,557.62
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Solution
The fourth proportional to 7,006,814.26, 10,505,174.88 and 4,305,557.62 is: 6,455,235.44
Step by Step Solution
- Step 1: Write the proportion equation
7,006,814.26 : 10,505,174.88 = 4,305,557.62 : x - Step 2: Convert to fraction form
7,006,814.26/10,505,174.88 = 4,305,557.62/x - Step 3: Cross multiply
7,006,814.26x = 10,505,174.88 × 4,305,557.62 - Step 4: Simplify right side
7,006,814.26x = 45,230,635,754,016.59 - Step 5: Solve for x
x = 45,230,635,754,016.59/7,006,814.26 - Step 6: Final answer
x = 6,455,235.44
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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.