Finding the Fourth Proportional to 14,841,940.74, 20,523,107.64 and 11,780,840.58
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Solution
The fourth proportional to 14,841,940.74, 20,523,107.64 and 11,780,840.58 is: 16,290,285.99
Step by Step Solution
- Step 1: Write the proportion equation
14,841,940.74 : 20,523,107.64 = 11,780,840.58 : x - Step 2: Convert to fraction form
14,841,940.74/20,523,107.64 = 11,780,840.58/x - Step 3: Cross multiply
14,841,940.74x = 20,523,107.64 × 11,780,840.58 - Step 4: Simplify right side
14,841,940.74x = 241,779,459,313,020.03 - Step 5: Solve for x
x = 241,779,459,313,020.03/14,841,940.74 - Step 6: Final answer
x = 16,290,285.99
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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.