Finding the Fourth Proportional to 14,202,932.70, 21,314,896.65 and 9,409,028.70
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Solution
The fourth proportional to 14,202,932.70, 21,314,896.65 and 9,409,028.70 is: 14,120,497.40
Step by Step Solution
- Step 1: Write the proportion equation
14,202,932.70 : 21,314,896.65 = 9,409,028.70 : x - Step 2: Convert to fraction form
14,202,932.70/21,314,896.65 = 9,409,028.70/x - Step 3: Cross multiply
14,202,932.70x = 21,314,896.65 × 9,409,028.70 - Step 4: Simplify right side
14,202,932.70x = 200,552,474,317,383.81 - Step 5: Solve for x
x = 200,552,474,317,383.81/14,202,932.70 - Step 6: Final answer
x = 14,120,497.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.