Finding the Fourth Proportional to 27,720,517.74, 41,577,599.78 and 7,252,212.51
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Solution
The fourth proportional to 27,720,517.74, 41,577,599.78 and 7,252,212.51 is: 10,877,487.65
Step by Step Solution
- Step 1: Write the proportion equation
27,720,517.74 : 41,577,599.78 = 7,252,212.51 : x - Step 2: Convert to fraction form
27,720,517.74/41,577,599.78 = 7,252,212.51/x - Step 3: Cross multiply
27,720,517.74x = 41,577,599.78 × 7,252,212.51 - Step 4: Simplify right side
27,720,517.74x = 301,529,589,260,289.25 - Step 5: Solve for x
x = 301,529,589,260,289.25/27,720,517.74 - Step 6: Final answer
x = 10,877,487.65
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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.