Finding the Fourth Proportional to 36,130,135.82, 49,858,961.81 and 19,609,905.85
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Solution
The fourth proportional to 36,130,135.82, 49,858,961.81 and 19,609,905.85 is: 27,061,330.51
Step by Step Solution
- Step 1: Write the proportion equation
36,130,135.82 : 49,858,961.81 = 19,609,905.85 : x - Step 2: Convert to fraction form
36,130,135.82/49,858,961.81 = 19,609,905.85/x - Step 3: Cross multiply
36,130,135.82x = 49,858,961.81 × 19,609,905.85 - Step 4: Simplify right side
36,130,135.82x = 977,729,546,687,419.12 - Step 5: Solve for x
x = 977,729,546,687,419.12/36,130,135.82 - Step 6: Final answer
x = 27,061,330.51
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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.