Finding the Fourth Proportional to 25,112,700.42, 34,647,708.09 and 14,512,228.41
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Solution
The fourth proportional to 25,112,700.42, 34,647,708.09 and 14,512,228.41 is: 20,022,357.03
Step by Step Solution
- Step 1: Write the proportion equation
25,112,700.42 : 34,647,708.09 = 14,512,228.41 : x - Step 2: Convert to fraction form
25,112,700.42/34,647,708.09 = 14,512,228.41/x - Step 3: Cross multiply
25,112,700.42x = 34,647,708.09 × 14,512,228.41 - Step 4: Simplify right side
25,112,700.42x = 502,815,453,866,895 - Step 5: Solve for x
x = 502,815,453,866,895/25,112,700.42 - Step 6: Final answer
x = 20,022,357.03
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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.