Finding the Fourth Proportional to 14,054,555.09, 19,394,481.27 and 7,774,707.76
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Solution
The fourth proportional to 14,054,555.09, 19,394,481.27 and 7,774,707.76 is: 10,728,651.53
Step by Step Solution
- Step 1: Write the proportion equation
14,054,555.09 : 19,394,481.27 = 7,774,707.76 : x - Step 2: Convert to fraction form
14,054,555.09/19,394,481.27 = 7,774,707.76/x - Step 3: Cross multiply
14,054,555.09x = 19,394,481.27 × 7,774,707.76 - Step 4: Simplify right side
14,054,555.09x = 150,786,424,011,712.62 - Step 5: Solve for x
x = 150,786,424,011,712.62/14,054,555.09 - Step 6: Final answer
x = 10,728,651.53
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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.