Finding the Fourth Proportional to 23,647,486.68, 32,633,517.06 and 12,782,470.68
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Solution
The fourth proportional to 23,647,486.68, 32,633,517.06 and 12,782,470.68 is: 17,639,801.67
Step by Step Solution
- Step 1: Write the proportion equation
23,647,486.68 : 32,633,517.06 = 12,782,470.68 : x - Step 2: Convert to fraction form
23,647,486.68/32,633,517.06 = 12,782,470.68/x - Step 3: Cross multiply
23,647,486.68x = 32,633,517.06 × 12,782,470.68 - Step 4: Simplify right side
23,647,486.68x = 417,136,975,004,729.75 - Step 5: Solve for x
x = 417,136,975,004,729.75/23,647,486.68 - Step 6: Final answer
x = 17,639,801.67
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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.