Finding the Fourth Proportional to 35,669,528.42, 49,226,984.97 and 20,202,364.58
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Solution
The fourth proportional to 35,669,528.42, 49,226,984.97 and 20,202,364.58 is: 27,880,982.50
Step by Step Solution
- Step 1: Write the proportion equation
35,669,528.42 : 49,226,984.97 = 20,202,364.58 : x - Step 2: Convert to fraction form
35,669,528.42/49,226,984.97 = 20,202,364.58/x - Step 3: Cross multiply
35,669,528.42x = 49,226,984.97 × 20,202,364.58 - Step 4: Simplify right side
35,669,528.42x = 994,501,497,538,120.25 - Step 5: Solve for x
x = 994,501,497,538,120.25/35,669,528.42 - Step 6: Final answer
x = 27,880,982.50
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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.