Finding the Fourth Proportional to 22,536,205.94, 31,100,668.19 and 12,746,458.56
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Solution
The fourth proportional to 22,536,205.94, 31,100,668.19 and 12,746,458.56 is: 17,590,510.99
Step by Step Solution
- Step 1: Write the proportion equation
22,536,205.94 : 31,100,668.19 = 12,746,458.56 : x - Step 2: Convert to fraction form
22,536,205.94/31,100,668.19 = 12,746,458.56/x - Step 3: Cross multiply
22,536,205.94x = 31,100,668.19 × 12,746,458.56 - Step 4: Simplify right side
22,536,205.94x = 396,423,378,272,145.25 - Step 5: Solve for x
x = 396,423,378,272,145.25/22,536,205.94 - Step 6: Final answer
x = 17,590,510.99
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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.