Finding the Fourth Proportional to 14,571,975.12, 21,859,012.32 and 5,596,527.12
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Solution
The fourth proportional to 14,571,975.12, 21,859,012.32 and 5,596,527.12 is: 8,395,193.81
Step by Step Solution
- Step 1: Write the proportion equation
14,571,975.12 : 21,859,012.32 = 5,596,527.12 : x - Step 2: Convert to fraction form
14,571,975.12/21,859,012.32 = 5,596,527.12/x - Step 3: Cross multiply
14,571,975.12x = 21,859,012.32 × 5,596,527.12 - Step 4: Simplify right side
14,571,975.12x = 122,334,555,265,294.12 - Step 5: Solve for x
x = 122,334,555,265,294.12/14,571,975.12 - Step 6: Final answer
x = 8,395,193.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.