Finding the Fourth Proportional to 19,983,528.56, 29,976,382.92 and 6,335,687.92
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Solution
The fourth proportional to 19,983,528.56, 29,976,382.92 and 6,335,687.92 is: 9,503,877.48
Step by Step Solution
- Step 1: Write the proportion equation
19,983,528.56 : 29,976,382.92 = 6,335,687.92 : x - Step 2: Convert to fraction form
19,983,528.56/29,976,382.92 = 6,335,687.92/x - Step 3: Cross multiply
19,983,528.56x = 29,976,382.92 × 6,335,687.92 - Step 4: Simplify right side
19,983,528.56x = 189,921,007,151,538.34 - Step 5: Solve for x
x = 189,921,007,151,538.34/19,983,528.56 - Step 6: Final answer
x = 9,503,877.48
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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.