Finding the Fourth Proportional to 12,136,502.70, 18,204,754.05 and 4,944,115.80
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Solution
The fourth proportional to 12,136,502.70, 18,204,754.05 and 4,944,115.80 is: 7,416,173.70
Step by Step Solution
- Step 1: Write the proportion equation
12,136,502.70 : 18,204,754.05 = 4,944,115.80 : x - Step 2: Convert to fraction form
12,136,502.70/18,204,754.05 = 4,944,115.80/x - Step 3: Cross multiply
12,136,502.70x = 18,204,754.05 × 4,944,115.80 - Step 4: Simplify right side
12,136,502.70x = 90,006,412,133,718.98 - Step 5: Solve for x
x = 90,006,412,133,718.98/12,136,502.70 - Step 6: Final answer
x = 7,416,173.70
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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.