Finding the Fourth Proportional to 7,999,326.42, 11,039,063.33 and 4,515,398.54
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Solution
The fourth proportional to 7,999,326.42, 11,039,063.33 and 4,515,398.54 is: 6,231,245.96
Step by Step Solution
- Step 1: Write the proportion equation
7,999,326.42 : 11,039,063.33 = 4,515,398.54 : x - Step 2: Convert to fraction form
7,999,326.42/11,039,063.33 = 4,515,398.54/x - Step 3: Cross multiply
7,999,326.42x = 11,039,063.33 × 4,515,398.54 - Step 4: Simplify right side
7,999,326.42x = 49,845,770,443,249.54 - Step 5: Solve for x
x = 49,845,770,443,249.54/7,999,326.42 - Step 6: Final answer
x = 6,231,245.96
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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.