Finding the Fourth Proportional to 8,222,346.05, 11,346,581.86 and 4,737,691.42
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Solution
The fourth proportional to 8,222,346.05, 11,346,581.86 and 4,737,691.42 is: 6,537,866.83
Step by Step Solution
- Step 1: Write the proportion equation
8,222,346.05 : 11,346,581.86 = 4,737,691.42 : x - Step 2: Convert to fraction form
8,222,346.05/11,346,581.86 = 4,737,691.42/x - Step 3: Cross multiply
8,222,346.05x = 11,346,581.86 × 4,737,691.42 - Step 4: Simplify right side
8,222,346.05x = 53,756,603,484,238.96 - Step 5: Solve for x
x = 53,756,603,484,238.96/8,222,346.05 - Step 6: Final answer
x = 6,537,866.83
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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.