Finding the Fourth Proportional to 14,264,845.92, 19,685,487.16 and 8,153,405.60
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Solution
The fourth proportional to 14,264,845.92, 19,685,487.16 and 8,153,405.60 is: 11,251,699.61
Step by Step Solution
- Step 1: Write the proportion equation
14,264,845.92 : 19,685,487.16 = 8,153,405.60 : x - Step 2: Convert to fraction form
14,264,845.92/19,685,487.16 = 8,153,405.60/x - Step 3: Cross multiply
14,264,845.92x = 19,685,487.16 × 8,153,405.60 - Step 4: Simplify right side
14,264,845.92x = 160,503,761,249,072.09 - Step 5: Solve for x
x = 160,503,761,249,072.09/14,264,845.92 - Step 6: Final answer
x = 11,251,699.61
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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.