Finding the Fourth Proportional to 11,278,475.28, 16,918,365.14 and 3,190,773.41
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Solution
The fourth proportional to 11,278,475.28, 16,918,365.14 and 3,190,773.41 is: 4,786,344.63
Step by Step Solution
- Step 1: Write the proportion equation
11,278,475.28 : 16,918,365.14 = 3,190,773.41 : x - Step 2: Convert to fraction form
11,278,475.28/16,918,365.14 = 3,190,773.41/x - Step 3: Cross multiply
11,278,475.28x = 16,918,365.14 × 3,190,773.41 - Step 4: Simplify right side
11,278,475.28x = 53,982,669,629,382.93 - Step 5: Solve for x
x = 53,982,669,629,382.93/11,278,475.28 - Step 6: Final answer
x = 4,786,344.63
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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.