Finding the Fourth Proportional to 12,035,908.68, 16,609,553.97 and 6,879,380.94
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Solution
The fourth proportional to 12,035,908.68, 16,609,553.97 and 6,879,380.94 is: 9,493,545.69
Step by Step Solution
- Step 1: Write the proportion equation
12,035,908.68 : 16,609,553.97 = 6,879,380.94 : x - Step 2: Convert to fraction form
12,035,908.68/16,609,553.97 = 6,879,380.94/x - Step 3: Cross multiply
12,035,908.68x = 16,609,553.97 × 6,879,380.94 - Step 4: Simplify right side
12,035,908.68x = 114,263,449,003,119.34 - Step 5: Solve for x
x = 114,263,449,003,119.34/12,035,908.68 - Step 6: Final answer
x = 9,493,545.69
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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.