Finding the Fourth Proportional to 18,036,549.12, 24,889,770.97 and 9,776,434.06
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Solution
The fourth proportional to 18,036,549.12, 24,889,770.97 and 9,776,434.06 is: 13,491,117.56
Step by Step Solution
- Step 1: Write the proportion equation
18,036,549.12 : 24,889,770.97 = 9,776,434.06 : x - Step 2: Convert to fraction form
18,036,549.12/24,889,770.97 = 9,776,434.06/x - Step 3: Cross multiply
18,036,549.12x = 24,889,770.97 × 9,776,434.06 - Step 4: Simplify right side
18,036,549.12x = 243,333,204,663,378.38 - Step 5: Solve for x
x = 243,333,204,663,378.38/18,036,549.12 - Step 6: Final answer
x = 13,491,117.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.