Finding the Fourth Proportional to 10,820,659.74, 16,230,989.64 and 2,733,658.62
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Solution
The fourth proportional to 10,820,659.74, 16,230,989.64 and 2,733,658.62 is: 4,100,487.94
Step by Step Solution
- Step 1: Write the proportion equation
10,820,659.74 : 16,230,989.64 = 2,733,658.62 : x - Step 2: Convert to fraction form
10,820,659.74/16,230,989.64 = 2,733,658.62/x - Step 3: Cross multiply
10,820,659.74x = 16,230,989.64 × 2,733,658.62 - Step 4: Simplify right side
10,820,659.74x = 44,369,984,740,516.70 - Step 5: Solve for x
x = 44,369,984,740,516.70/10,820,659.74 - Step 6: Final answer
x = 4,100,487.94
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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.