Finding the Fourth Proportional to 19,800,082.78, 29,694,046.07 and 13,691,314.99
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Solution
The fourth proportional to 19,800,082.78, 29,694,046.07 and 13,691,314.99 is: 20,532,769.62
Step by Step Solution
- Step 1: Write the proportion equation
19,800,082.78 : 29,694,046.07 = 13,691,314.99 : x - Step 2: Convert to fraction form
19,800,082.78/29,694,046.07 = 13,691,314.99/x - Step 3: Cross multiply
19,800,082.78x = 29,694,046.07 × 13,691,314.99 - Step 4: Simplify right side
19,800,082.78x = 406,550,538,031,934.81 - Step 5: Solve for x
x = 406,550,538,031,934.81/19,800,082.78 - Step 6: Final answer
x = 20,532,769.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.