Finding the Fourth Proportional to 16,821,769.68, 25,232,651.76 and 4,042,274.40
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Solution
The fourth proportional to 16,821,769.68, 25,232,651.76 and 4,042,274.40 is: 6,063,410.94
Step by Step Solution
- Step 1: Write the proportion equation
16,821,769.68 : 25,232,651.76 = 4,042,274.40 : x - Step 2: Convert to fraction form
16,821,769.68/25,232,651.76 = 4,042,274.40/x - Step 3: Cross multiply
16,821,769.68x = 25,232,651.76 × 4,042,274.40 - Step 4: Simplify right side
16,821,769.68x = 101,997,302,253,562.95 - Step 5: Solve for x
x = 101,997,302,253,562.95/16,821,769.68 - Step 6: Final answer
x = 6,063,410.94
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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.