Finding the Fourth Proportional to 7,997,278.67, 11,036,211.31 and 4,326,186.19
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Solution
The fourth proportional to 7,997,278.67, 11,036,211.31 and 4,326,186.19 is: 5,970,118.95
Step by Step Solution
- Step 1: Write the proportion equation
7,997,278.67 : 11,036,211.31 = 4,326,186.19 : x - Step 2: Convert to fraction form
7,997,278.67/11,036,211.31 = 4,326,186.19/x - Step 3: Cross multiply
7,997,278.67x = 11,036,211.31 × 4,326,186.19 - Step 4: Simplify right side
7,997,278.67x = 47,744,704,959,243.81 - Step 5: Solve for x
x = 47,744,704,959,243.81/7,997,278.67 - Step 6: Final answer
x = 5,970,118.95
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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.