Finding the Fourth Proportional to 8,085,124.30, 12,129,436.05 and 2,405,922.70
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Solution
The fourth proportional to 8,085,124.30, 12,129,436.05 and 2,405,922.70 is: 3,609,404.69
Step by Step Solution
- Step 1: Write the proportion equation
8,085,124.30 : 12,129,436.05 = 2,405,922.70 : x - Step 2: Convert to fraction form
8,085,124.30/12,129,436.05 = 2,405,922.70/x - Step 3: Cross multiply
8,085,124.30x = 12,129,436.05 × 2,405,922.70 - Step 4: Simplify right side
8,085,124.30x = 29,182,485,530,893.34 - Step 5: Solve for x
x = 29,182,485,530,893.34/8,085,124.30 - Step 6: Final answer
x = 3,609,404.69
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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.