Finding the Fourth Proportional to 7,347,369.24, 11,010,587.10 and 5,413,068.60
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Solution
The fourth proportional to 7,347,369.24, 11,010,587.10 and 5,413,068.60 is: 8,111,891.67
Step by Step Solution
- Step 1: Write the proportion equation
7,347,369.24 : 11,010,587.10 = 5,413,068.60 : x - Step 2: Convert to fraction form
7,347,369.24/11,010,587.10 = 5,413,068.60/x - Step 3: Cross multiply
7,347,369.24x = 11,010,587.10 × 5,413,068.60 - Step 4: Simplify right side
7,347,369.24x = 59,601,063,298,575.05 - Step 5: Solve for x
x = 59,601,063,298,575.05/7,347,369.24 - Step 6: Final answer
x = 8,111,891.67
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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.