Finding the Fourth Proportional to 7,752,757.28, 11,629,135.91 and 5,042,408.18
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Solution
The fourth proportional to 7,752,757.28, 11,629,135.91 and 5,042,408.18 is: 7,563,612.26
Step by Step Solution
- Step 1: Write the proportion equation
7,752,757.28 : 11,629,135.91 = 5,042,408.18 : x - Step 2: Convert to fraction form
7,752,757.28/11,629,135.91 = 5,042,408.18/x - Step 3: Cross multiply
7,752,757.28x = 11,629,135.91 × 5,042,408.18 - Step 4: Simplify right side
7,752,757.28x = 58,638,849,993,376.08 - Step 5: Solve for x
x = 58,638,849,993,376.08/7,752,757.28 - Step 6: Final answer
x = 7,563,612.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.