Finding the Fourth Proportional to 14,627,163.98, 20,186,140.74 and 8,012,217.98
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Solution
The fourth proportional to 14,627,163.98, 20,186,140.74 and 8,012,217.98 is: 11,057,219.29
Step by Step Solution
- Step 1: Write the proportion equation
14,627,163.98 : 20,186,140.74 = 8,012,217.98 : x - Step 2: Convert to fraction form
14,627,163.98/20,186,140.74 = 8,012,217.98/x - Step 3: Cross multiply
14,627,163.98x = 20,186,140.74 × 8,012,217.98 - Step 4: Simplify right side
14,627,163.98x = 161,735,759,783,838.50 - Step 5: Solve for x
x = 161,735,759,783,838.50/14,627,163.98 - Step 6: Final answer
x = 11,057,219.29
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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.