Finding the Fourth Proportional to 14,448,366.96, 19,939,642.20 and 8,009,838.96
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Solution
The fourth proportional to 14,448,366.96, 19,939,642.20 and 8,009,838.96 is: 11,054,074.37
Step by Step Solution
- Step 1: Write the proportion equation
14,448,366.96 : 19,939,642.20 = 8,009,838.96 : x - Step 2: Convert to fraction form
14,448,366.96/19,939,642.20 = 8,009,838.96/x - Step 3: Cross multiply
14,448,366.96x = 19,939,642.20 × 8,009,838.96 - Step 4: Simplify right side
14,448,366.96x = 159,713,322,942,020.09 - Step 5: Solve for x
x = 159,713,322,942,020.09/14,448,366.96 - Step 6: Final answer
x = 11,054,074.37
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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.