Finding the Fourth Proportional to 11,519,486.29, 15,895,528.68 and 6,362,540.29
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Solution
The fourth proportional to 11,519,486.29, 15,895,528.68 and 6,362,540.29 is: 8,779,553.11
Step by Step Solution
- Step 1: Write the proportion equation
11,519,486.29 : 15,895,528.68 = 6,362,540.29 : x - Step 2: Convert to fraction form
11,519,486.29/15,895,528.68 = 6,362,540.29/x - Step 3: Cross multiply
11,519,486.29x = 15,895,528.68 × 6,362,540.29 - Step 4: Simplify right side
11,519,486.29x = 101,135,941,657,350.52 - Step 5: Solve for x
x = 101,135,941,657,350.52/11,519,486.29 - Step 6: Final answer
x = 8,779,553.11
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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.