Finding the Fourth Proportional to 8,742,043.94, 13,112,057.12 and 2,351,793.96
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Solution
The fourth proportional to 8,742,043.94, 13,112,057.12 and 2,351,793.96 is: 3,527,419.55
Step by Step Solution
- Step 1: Write the proportion equation
8,742,043.94 : 13,112,057.12 = 2,351,793.96 : x - Step 2: Convert to fraction form
8,742,043.94/13,112,057.12 = 2,351,793.96/x - Step 3: Cross multiply
8,742,043.94x = 13,112,057.12 × 2,351,793.96 - Step 4: Simplify right side
8,742,043.94x = 30,836,856,726,232.03 - Step 5: Solve for x
x = 30,836,856,726,232.03/8,742,043.94 - Step 6: Final answer
x = 3,527,419.55
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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.