Finding the Fourth Proportional to 8,611,586.99, 12,912,895.42 and 4,061,414.05
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Solution
The fourth proportional to 8,611,586.99, 12,912,895.42 and 4,061,414.05 is: 6,090,005.83
Step by Step Solution
- Step 1: Write the proportion equation
8,611,586.99 : 12,912,895.42 = 4,061,414.05 : x - Step 2: Convert to fraction form
8,611,586.99/12,912,895.42 = 4,061,414.05/x - Step 3: Cross multiply
8,611,586.99x = 12,912,895.42 × 4,061,414.05 - Step 4: Simplify right side
8,611,586.99x = 52,444,614,947,149.30 - Step 5: Solve for x
x = 52,444,614,947,149.30/8,611,586.99 - Step 6: Final answer
x = 6,090,005.83
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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.