Finding the Fourth Proportional to 13,263,559.73, 18,303,524.94 and 7,462,327.63
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Solution
The fourth proportional to 13,263,559.73, 18,303,524.94 and 7,462,327.63 is: 10,297,906.64
Step by Step Solution
- Step 1: Write the proportion equation
13,263,559.73 : 18,303,524.94 = 7,462,327.63 : x - Step 2: Convert to fraction form
13,263,559.73/18,303,524.94 = 7,462,327.63/x - Step 3: Cross multiply
13,263,559.73x = 18,303,524.94 × 7,462,327.63 - Step 4: Simplify right side
13,263,559.73x = 136,586,899,816,238.06 - Step 5: Solve for x
x = 136,586,899,816,238.06/13,263,559.73 - Step 6: Final answer
x = 10,297,906.64
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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.