Finding the Fourth Proportional to 14,855,997.68, 20,493,730.68 and 9,702,375.92
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Solution
The fourth proportional to 14,855,997.68, 20,493,730.68 and 9,702,375.92 is: 13,384,350.44
Step by Step Solution
- Step 1: Write the proportion equation
14,855,997.68 : 20,493,730.68 = 9,702,375.92 : x - Step 2: Convert to fraction form
14,855,997.68/20,493,730.68 = 9,702,375.92/x - Step 3: Cross multiply
14,855,997.68x = 20,493,730.68 × 9,702,375.92 - Step 4: Simplify right side
14,855,997.68x = 198,837,879,060,597.22 - Step 5: Solve for x
x = 198,837,879,060,597.22/14,855,997.68 - Step 6: Final answer
x = 13,384,350.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.