Finding the Fourth Proportional to 13,981,478.44, 19,295,038.86 and 7,786,525.11
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Solution
The fourth proportional to 13,981,478.44, 19,295,038.86 and 7,786,525.11 is: 10,745,738.03
Step by Step Solution
- Step 1: Write the proportion equation
13,981,478.44 : 19,295,038.86 = 7,786,525.11 : x - Step 2: Convert to fraction form
13,981,478.44/19,295,038.86 = 7,786,525.11/x - Step 3: Cross multiply
13,981,478.44x = 19,295,038.86 × 7,786,525.11 - Step 4: Simplify right side
13,981,478.44x = 150,241,304,581,815.78 - Step 5: Solve for x
x = 150,241,304,581,815.78/13,981,478.44 - Step 6: Final answer
x = 10,745,738.03
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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.