Finding the Fourth Proportional to 8,324,887.68, 12,487,136.40 and 3,837,163.68
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Solution
The fourth proportional to 8,324,887.68, 12,487,136.40 and 3,837,163.68 is: 5,755,655.58
Step by Step Solution
- Step 1: Write the proportion equation
8,324,887.68 : 12,487,136.40 = 3,837,163.68 : x - Step 2: Convert to fraction form
8,324,887.68/12,487,136.40 = 3,837,163.68/x - Step 3: Cross multiply
8,324,887.68x = 12,487,136.40 × 3,837,163.68 - Step 4: Simplify right side
8,324,887.68x = 47,915,186,261,285.95 - Step 5: Solve for x
x = 47,915,186,261,285.95/8,324,887.68 - Step 6: Final answer
x = 5,755,655.58
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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.