Finding the Fourth Proportional to 13,305,463.70, 18,361,536.49 and 7,504,232.36
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Solution
The fourth proportional to 13,305,463.70, 18,361,536.49 and 7,504,232.36 is: 10,355,838.73
Step by Step Solution
- Step 1: Write the proportion equation
13,305,463.70 : 18,361,536.49 = 7,504,232.36 : x - Step 2: Convert to fraction form
13,305,463.70/18,361,536.49 = 7,504,232.36/x - Step 3: Cross multiply
13,305,463.70x = 18,361,536.49 × 7,504,232.36 - Step 4: Simplify right side
13,305,463.70x = 137,789,236,334,722.08 - Step 5: Solve for x
x = 137,789,236,334,722.08/13,305,463.70 - Step 6: Final answer
x = 10,355,838.73
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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.