Finding the Fourth Proportional to 22,476,265.14, 31,017,245.95 and 12,162,988.24
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Solution
The fourth proportional to 22,476,265.14, 31,017,245.95 and 12,162,988.24 is: 16,784,923.80
Step by Step Solution
- Step 1: Write the proportion equation
22,476,265.14 : 31,017,245.95 = 12,162,988.24 : x - Step 2: Convert to fraction form
22,476,265.14/31,017,245.95 = 12,162,988.24/x - Step 3: Cross multiply
22,476,265.14x = 31,017,245.95 × 12,162,988.24 - Step 4: Simplify right side
22,476,265.14x = 377,262,397,619,087.06 - Step 5: Solve for x
x = 377,262,397,619,087.06/22,476,265.14 - Step 6: Final answer
x = 16,784,923.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.