Finding the Fourth Proportional to 19,800,957.68, 29,701,461.96 and 5,424,151.88
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Solution
The fourth proportional to 19,800,957.68, 29,701,461.96 and 5,424,151.88 is: 8,136,234.79
Step by Step Solution
- Step 1: Write the proportion equation
19,800,957.68 : 29,701,461.96 = 5,424,151.88 : x - Step 2: Convert to fraction form
19,800,957.68/29,701,461.96 = 5,424,151.88/x - Step 3: Cross multiply
19,800,957.68x = 29,701,461.96 × 5,424,151.88 - Step 4: Simplify right side
19,800,957.68x = 161,105,240,729,082.50 - Step 5: Solve for x
x = 161,105,240,729,082.50/19,800,957.68 - Step 6: Final answer
x = 8,136,234.79
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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.