Finding the Fourth Proportional to 12,335,716.66, 18,428,604.36 and 7,982,301.40
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Solution
The fourth proportional to 12,335,716.66, 18,428,604.36 and 7,982,301.40 is: 11,924,939.46
Step by Step Solution
- Step 1: Write the proportion equation
12,335,716.66 : 18,428,604.36 = 7,982,301.40 : x - Step 2: Convert to fraction form
12,335,716.66/18,428,604.36 = 7,982,301.40/x - Step 3: Cross multiply
12,335,716.66x = 18,428,604.36 × 7,982,301.40 - Step 4: Simplify right side
12,335,716.66x = 147,102,674,382,874.09 - Step 5: Solve for x
x = 147,102,674,382,874.09/12,335,716.66 - Step 6: Final answer
x = 11,924,939.46
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.