Finding the Fourth Proportional to 11,814,891.75, 17,712,229.12 and 4,533,576.75
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Solution
The fourth proportional to 11,814,891.75, 17,712,229.12 and 4,533,576.75 is: 6,796,486.32
Step by Step Solution
- Step 1: Write the proportion equation
11,814,891.75 : 17,712,229.12 = 4,533,576.75 : x - Step 2: Convert to fraction form
11,814,891.75/17,712,229.12 = 4,533,576.75/x - Step 3: Cross multiply
11,814,891.75x = 17,712,229.12 × 4,533,576.75 - Step 4: Simplify right side
11,814,891.75x = 80,299,750,117,771.02 - Step 5: Solve for x
x = 80,299,750,117,771.02/11,814,891.75 - Step 6: Final answer
x = 6,796,486.32
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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.