Finding the Fourth Proportional to 36,146,679.49, 49,881,906.97 and 20,465,299.81
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Solution
The fourth proportional to 36,146,679.49, 49,881,906.97 and 20,465,299.81 is: 28,241,824.58
Step by Step Solution
- Step 1: Write the proportion equation
36,146,679.49 : 49,881,906.97 = 20,465,299.81 : x - Step 2: Convert to fraction form
36,146,679.49/49,881,906.97 = 20,465,299.81/x - Step 3: Cross multiply
36,146,679.49x = 49,881,906.97 × 20,465,299.81 - Step 4: Simplify right side
36,146,679.49x = 1,020,848,181,235,578.62 - Step 5: Solve for x
x = 1,020,848,181,235,578.62/36,146,679.49 - Step 6: Final answer
x = 28,241,824.58
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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.