Finding the Fourth Proportional to 7,394,075.80, 11,072,451.30 and 4,855,989.40
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Solution
The fourth proportional to 7,394,075.80, 11,072,451.30 and 4,855,989.40 is: 7,271,727.75
Step by Step Solution
- Step 1: Write the proportion equation
7,394,075.80 : 11,072,451.30 = 4,855,989.40 : x - Step 2: Convert to fraction form
7,394,075.80/11,072,451.30 = 4,855,989.40/x - Step 3: Cross multiply
7,394,075.80x = 11,072,451.30 × 4,855,989.40 - Step 4: Simplify right side
7,394,075.80x = 53,767,706,144,816.23 - Step 5: Solve for x
x = 53,767,706,144,816.23/7,394,075.80 - Step 6: Final answer
x = 7,271,727.75
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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.