Finding the Fourth Proportional to 14,291,716.52, 19,722,329.34 and 7,765,446.44
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Solution
The fourth proportional to 14,291,716.52, 19,722,329.34 and 7,765,446.44 is: 10,716,185.98
Step by Step Solution
- Step 1: Write the proportion equation
14,291,716.52 : 19,722,329.34 = 7,765,446.44 : x - Step 2: Convert to fraction form
14,291,716.52/19,722,329.34 = 7,765,446.44/x - Step 3: Cross multiply
14,291,716.52x = 19,722,329.34 × 7,765,446.44 - Step 4: Simplify right side
14,291,716.52x = 153,152,692,161,810.56 - Step 5: Solve for x
x = 153,152,692,161,810.56/14,291,716.52 - Step 6: Final answer
x = 10,716,185.98
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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.