Finding the Fourth Proportional to 11,403,858.88, 15,737,716.96 and 6,247,218.88
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Solution
The fourth proportional to 11,403,858.88, 15,737,716.96 and 6,247,218.88 is: 8,621,376.64
Step by Step Solution
- Step 1: Write the proportion equation
11,403,858.88 : 15,737,716.96 = 6,247,218.88 : x - Step 2: Convert to fraction form
11,403,858.88/15,737,716.96 = 6,247,218.88/x - Step 3: Cross multiply
11,403,858.88x = 15,737,716.96 × 6,247,218.88 - Step 4: Simplify right side
11,403,858.88x = 98,316,962,520,608.20 - Step 5: Solve for x
x = 98,316,962,520,608.20/11,403,858.88 - Step 6: Final answer
x = 8,621,376.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.