Finding the Fourth Proportional to 16,128,734.40, 24,192,583.20 and 5,346,532.80
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Solution
The fourth proportional to 16,128,734.40, 24,192,583.20 and 5,346,532.80 is: 8,019,627.35
Step by Step Solution
- Step 1: Write the proportion equation
16,128,734.40 : 24,192,583.20 = 5,346,532.80 : x - Step 2: Convert to fraction form
16,128,734.40/24,192,583.20 = 5,346,532.80/x - Step 3: Cross multiply
16,128,734.40x = 24,192,583.20 × 5,346,532.80 - Step 4: Simplify right side
16,128,734.40x = 129,346,439,595,528.95 - Step 5: Solve for x
x = 129,346,439,595,528.95/16,128,734.40 - Step 6: Final answer
x = 8,019,627.35
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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.