Finding the Fourth Proportional to 12,270,461.94, 18,405,740.43 and 3,750,765.30
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Solution
The fourth proportional to 12,270,461.94, 18,405,740.43 and 3,750,765.30 is: 5,626,162.48
Step by Step Solution
- Step 1: Write the proportion equation
12,270,461.94 : 18,405,740.43 = 3,750,765.30 : x - Step 2: Convert to fraction form
12,270,461.94/18,405,740.43 = 3,750,765.30/x - Step 3: Cross multiply
12,270,461.94x = 18,405,740.43 × 3,750,765.30 - Step 4: Simplify right side
12,270,461.94x = 69,035,612,525,651.08 - Step 5: Solve for x
x = 69,035,612,525,651.08/12,270,461.94 - Step 6: Final answer
x = 5,626,162.48
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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.