Finding the Fourth Proportional to 36,969,451.77, 51,013,915.99 and 20,446,951.08
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Solution
The fourth proportional to 36,969,451.77, 51,013,915.99 and 20,446,951.08 is: 28,214,620.31
Step by Step Solution
- Step 1: Write the proportion equation
36,969,451.77 : 51,013,915.99 = 20,446,951.08 : x - Step 2: Convert to fraction form
36,969,451.77/51,013,915.99 = 20,446,951.08/x - Step 3: Cross multiply
36,969,451.77x = 51,013,915.99 × 20,446,951.08 - Step 4: Simplify right side
36,969,451.77x = 1,043,079,044,646,759.75 - Step 5: Solve for x
x = 1,043,079,044,646,759.75/36,969,451.77 - Step 6: Final answer
x = 28,214,620.31
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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.