Finding the Fourth Proportional to 7,723,346.05, 11,580,394.77 and 2,605,662.62
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Solution
The fourth proportional to 7,723,346.05, 11,580,394.77 and 2,605,662.62 is: 3,906,933.81
Step by Step Solution
- Step 1: Write the proportion equation
7,723,346.05 : 11,580,394.77 = 2,605,662.62 : x - Step 2: Convert to fraction form
7,723,346.05/11,580,394.77 = 2,605,662.62/x - Step 3: Cross multiply
7,723,346.05x = 11,580,394.77 × 2,605,662.62 - Step 4: Simplify right side
7,723,346.05x = 30,174,601,777,032.50 - Step 5: Solve for x
x = 30,174,601,777,032.50/7,723,346.05 - Step 6: Final answer
x = 3,906,933.81
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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.