Finding the Fourth Proportional to 14,368,170.69, 21,540,812.13 and 8,296,014.60
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Solution
The fourth proportional to 14,368,170.69, 21,540,812.13 and 8,296,014.60 is: 12,437,414.32
Step by Step Solution
- Step 1: Write the proportion equation
14,368,170.69 : 21,540,812.13 = 8,296,014.60 : x - Step 2: Convert to fraction form
14,368,170.69/21,540,812.13 = 8,296,014.60/x - Step 3: Cross multiply
14,368,170.69x = 21,540,812.13 × 8,296,014.60 - Step 4: Simplify right side
14,368,170.69x = 178,702,891,926,337.09 - Step 5: Solve for x
x = 178,702,891,926,337.09/14,368,170.69 - Step 6: Final answer
x = 12,437,414.32
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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.