Finding the Fourth Proportional to 7,461,690.80, 11,192,536.20 and 2,669,536.40
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Solution
The fourth proportional to 7,461,690.80, 11,192,536.20 and 2,669,536.40 is: 4,004,304.60
Step by Step Solution
- Step 1: Write the proportion equation
7,461,690.80 : 11,192,536.20 = 2,669,536.40 : x - Step 2: Convert to fraction form
7,461,690.80/11,192,536.20 = 2,669,536.40/x - Step 3: Cross multiply
7,461,690.80x = 11,192,536.20 × 2,669,536.40 - Step 4: Simplify right side
7,461,690.80x = 29,878,882,794,217.68 - Step 5: Solve for x
x = 29,878,882,794,217.68/7,461,690.80 - Step 6: Final answer
x = 4,004,304.60
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1.5x scale
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.