Finding the Fourth Proportional to 14,313,098.70, 19,751,626.17 and 7,786,560.96
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Solution
The fourth proportional to 14,313,098.70, 19,751,626.17 and 7,786,560.96 is: 10,745,209.30
Step by Step Solution
- Step 1: Write the proportion equation
14,313,098.70 : 19,751,626.17 = 7,786,560.96 : x - Step 2: Convert to fraction form
14,313,098.70/19,751,626.17 = 7,786,560.96/x - Step 3: Cross multiply
14,313,098.70x = 19,751,626.17 × 7,786,560.96 - Step 4: Simplify right side
14,313,098.70x = 153,797,241,231,836.34 - Step 5: Solve for x
x = 153,797,241,231,836.34/14,313,098.70 - Step 6: Final answer
x = 10,745,209.30
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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.