Finding the Fourth Proportional to 18,586,233.49, 27,869,777.66 and 8,342,311.42
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Solution
The fourth proportional to 18,586,233.49, 27,869,777.66 and 8,342,311.42 is: 12,509,170.54
Step by Step Solution
- Step 1: Write the proportion equation
18,586,233.49 : 27,869,777.66 = 8,342,311.42 : x - Step 2: Convert to fraction form
18,586,233.49/27,869,777.66 = 8,342,311.42/x - Step 3: Cross multiply
18,586,233.49x = 27,869,777.66 × 8,342,311.42 - Step 4: Simplify right side
18,586,233.49x = 232,498,364,445,878.88 - Step 5: Solve for x
x = 232,498,364,445,878.88/18,586,233.49 - Step 6: Final answer
x = 12,509,170.54
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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.