Finding the Fourth Proportional to 10,153,082.39, 15,234,274.29 and 4,397,576.36
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Solution
The fourth proportional to 10,153,082.39, 15,234,274.29 and 4,397,576.36 is: 6,598,378.88
Step by Step Solution
- Step 1: Write the proportion equation
10,153,082.39 : 15,234,274.29 = 4,397,576.36 : x - Step 2: Convert to fraction form
10,153,082.39/15,234,274.29 = 4,397,576.36/x - Step 3: Cross multiply
10,153,082.39x = 15,234,274.29 × 4,397,576.36 - Step 4: Simplify right side
10,153,082.39x = 66,993,884,403,288.41 - Step 5: Solve for x
x = 66,993,884,403,288.41/10,153,082.39 - Step 6: Final answer
x = 6,598,378.88
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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.