Finding the Fourth Proportional to 22,476,237.93, 31,017,208.19 and 12,162,960.99
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Solution
The fourth proportional to 22,476,237.93, 31,017,208.19 and 12,162,960.99 is: 16,784,886.08
Step by Step Solution
- Step 1: Write the proportion equation
22,476,237.93 : 31,017,208.19 = 12,162,960.99 : x - Step 2: Convert to fraction form
22,476,237.93/31,017,208.19 = 12,162,960.99/x - Step 3: Cross multiply
22,476,237.93x = 31,017,208.19 × 12,162,960.99 - Step 4: Simplify right side
22,476,237.93x = 377,261,093,172,863.69 - Step 5: Solve for x
x = 377,261,093,172,863.69/22,476,237.93 - Step 6: Final answer
x = 16,784,886.08
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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.