Finding the Fourth Proportional to 12,954,245.14, 19,431,365.28 and 3,856,475.80
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Solution
The fourth proportional to 12,954,245.14, 19,431,365.28 and 3,856,475.80 is: 5,784,712.98
Step by Step Solution
- Step 1: Write the proportion equation
12,954,245.14 : 19,431,365.28 = 3,856,475.80 : x - Step 2: Convert to fraction form
12,954,245.14/19,431,365.28 = 3,856,475.80/x - Step 3: Cross multiply
12,954,245.14x = 19,431,365.28 × 3,856,475.80 - Step 4: Simplify right side
12,954,245.14x = 74,936,589,963,280.22 - Step 5: Solve for x
x = 74,936,589,963,280.22/12,954,245.14 - Step 6: Final answer
x = 5,784,712.98
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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.