Finding the Fourth Proportional to 11,230,371.40, 16,837,262.70 and 4,495,318.60
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Solution
The fourth proportional to 11,230,371.40, 16,837,262.70 and 4,495,318.60 is: 6,739,657.80
Step by Step Solution
- Step 1: Write the proportion equation
11,230,371.40 : 16,837,262.70 = 4,495,318.60 : x - Step 2: Convert to fraction form
11,230,371.40/16,837,262.70 = 4,495,318.60/x - Step 3: Cross multiply
11,230,371.40x = 16,837,262.70 × 4,495,318.60 - Step 4: Simplify right side
11,230,371.40x = 75,688,860,188,396.20 - Step 5: Solve for x
x = 75,688,860,188,396.20/11,230,371.40 - Step 6: Final answer
x = 6,739,657.80
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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.