Finding the Fourth Proportional to 23,647,425.84, 32,633,433.23 and 12,782,409.84
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Solution
The fourth proportional to 23,647,425.84, 32,633,433.23 and 12,782,409.84 is: 17,639,717.78
Step by Step Solution
- Step 1: Write the proportion equation
23,647,425.84 : 32,633,433.23 = 12,782,409.84 : x - Step 2: Convert to fraction form
23,647,425.84/32,633,433.23 = 12,782,409.84/x - Step 3: Cross multiply
23,647,425.84x = 32,633,433.23 × 12,782,409.84 - Step 4: Simplify right side
23,647,425.84x = 417,133,917,968,222.94 - Step 5: Solve for x
x = 417,133,917,968,222.94/23,647,425.84 - Step 6: Final answer
x = 17,639,717.78
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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.