Finding the Fourth Proportional to 15,678,062.21, 23,517,082.11 and 4,896,286.94
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Solution
The fourth proportional to 15,678,062.21, 23,517,082.11 and 4,896,286.94 is: 7,344,426.91
Step by Step Solution
- Step 1: Write the proportion equation
15,678,062.21 : 23,517,082.11 = 4,896,286.94 : x - Step 2: Convert to fraction form
15,678,062.21/23,517,082.11 = 4,896,286.94/x - Step 3: Cross multiply
15,678,062.21x = 23,517,082.11 × 4,896,286.94 - Step 4: Simplify right side
15,678,062.21x = 115,146,382,002,100.66 - Step 5: Solve for x
x = 115,146,382,002,100.66/15,678,062.21 - Step 6: Final answer
x = 7,344,426.91
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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.