Finding the Fourth Proportional to 19,515,082.86, 29,253,138.12 and 13,043,608.92
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Solution
The fourth proportional to 19,515,082.86, 29,253,138.12 and 13,043,608.92 is: 19,552,389.10
Step by Step Solution
- Step 1: Write the proportion equation
19,515,082.86 : 29,253,138.12 = 13,043,608.92 : x - Step 2: Convert to fraction form
19,515,082.86/29,253,138.12 = 13,043,608.92/x - Step 3: Cross multiply
19,515,082.86x = 29,253,138.12 × 13,043,608.92 - Step 4: Simplify right side
19,515,082.86x = 381,566,493,320,024.06 - Step 5: Solve for x
x = 381,566,493,320,024.06/19,515,082.86 - Step 6: Final answer
x = 19,552,389.10
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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.