Finding the Fourth Proportional to 11,825,114.70, 17,737,672.05 and 8,990,762.70
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Solution
The fourth proportional to 11,825,114.70, 17,737,672.05 and 8,990,762.70 is: 13,486,144.05
Step by Step Solution
- Step 1: Write the proportion equation
11,825,114.70 : 17,737,672.05 = 8,990,762.70 : x - Step 2: Convert to fraction form
11,825,114.70/17,737,672.05 = 8,990,762.70/x - Step 3: Cross multiply
11,825,114.70x = 17,737,672.05 × 8,990,762.70 - Step 4: Simplify right side
11,825,114.70x = 159,475,200,251,972.53 - Step 5: Solve for x
x = 159,475,200,251,972.53/11,825,114.70 - Step 6: Final answer
x = 13,486,144.05
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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.