Finding the Fourth Proportional to 27,861,738.60, 38,450,161.62 and 15,472,039.44
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Solution
The fourth proportional to 27,861,738.60, 38,450,161.62 and 15,472,039.44 is: 21,351,948.84
Step by Step Solution
- Step 1: Write the proportion equation
27,861,738.60 : 38,450,161.62 = 15,472,039.44 : x - Step 2: Convert to fraction form
27,861,738.60/38,450,161.62 = 15,472,039.44/x - Step 3: Cross multiply
27,861,738.60x = 38,450,161.62 × 15,472,039.44 - Step 4: Simplify right side
27,861,738.60x = 594,902,417,059,014.25 - Step 5: Solve for x
x = 594,902,417,059,014.25/27,861,738.60 - Step 6: Final answer
x = 21,351,948.84
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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.