Finding the Fourth Proportional to 36,129,872.17, 49,859,097.84 and 19,609,996.68
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Solution
The fourth proportional to 36,129,872.17, 49,859,097.84 and 19,609,996.68 is: 27,061,727.16
Step by Step Solution
- Step 1: Write the proportion equation
36,129,872.17 : 49,859,097.84 = 19,609,996.68 : x - Step 2: Convert to fraction form
36,129,872.17/49,859,097.84 = 19,609,996.68/x - Step 3: Cross multiply
36,129,872.17x = 49,859,097.84 × 19,609,996.68 - Step 4: Simplify right side
36,129,872.17x = 977,736,743,110,195.25 - Step 5: Solve for x
x = 977,736,743,110,195.25/36,129,872.17 - Step 6: Final answer
x = 27,061,727.16
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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.