Finding the Fourth Proportional to 41,940,666.18, 57,848,305.20 and 27,994,990.08
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Solution
The fourth proportional to 41,940,666.18, 57,848,305.20 and 27,994,990.08 is: 38,613,185.67
Step by Step Solution
- Step 1: Write the proportion equation
41,940,666.18 : 57,848,305.20 = 27,994,990.08 : x - Step 2: Convert to fraction form
41,940,666.18/57,848,305.20 = 27,994,990.08/x - Step 3: Cross multiply
41,940,666.18x = 57,848,305.20 × 27,994,990.08 - Step 4: Simplify right side
41,940,666.18x = 1,619,462,730,218,812.50 - Step 5: Solve for x
x = 1,619,462,730,218,812.50/41,940,666.18 - Step 6: Final answer
x = 38,613,185.67
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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.