Finding the Fourth Proportional to 36,694,971.30, 55,042,456.95 and 11,135,939.70
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Solution
The fourth proportional to 36,694,971.30, 55,042,456.95 and 11,135,939.70 is: 16,703,909.55
Step by Step Solution
- Step 1: Write the proportion equation
36,694,971.30 : 55,042,456.95 = 11,135,939.70 : x - Step 2: Convert to fraction form
36,694,971.30/55,042,456.95 = 11,135,939.70/x - Step 3: Cross multiply
36,694,971.30x = 55,042,456.95 × 11,135,939.70 - Step 4: Simplify right side
36,694,971.30x = 612,949,481,535,045.88 - Step 5: Solve for x
x = 612,949,481,535,045.88/36,694,971.30 - Step 6: Final answer
x = 16,703,909.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.