Finding the Fourth Proportional to 27,573,779.70, 41,360,669.55 and 7,379,021.70
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Solution
The fourth proportional to 27,573,779.70, 41,360,669.55 and 7,379,021.70 is: 11,068,532.55
Step by Step Solution
- Step 1: Write the proportion equation
27,573,779.70 : 41,360,669.55 = 7,379,021.70 : x - Step 2: Convert to fraction form
27,573,779.70/41,360,669.55 = 7,379,021.70/x - Step 3: Cross multiply
27,573,779.70x = 41,360,669.55 × 7,379,021.70 - Step 4: Simplify right side
27,573,779.70x = 305,201,278,135,979.25 - Step 5: Solve for x
x = 305,201,278,135,979.25/27,573,779.70 - Step 6: Final answer
x = 11,068,532.55
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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.