Finding the Fourth Proportional to 27,027,509.49, 40,548,174.68 and 7,858,266.44
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Solution
The fourth proportional to 27,027,509.49, 40,548,174.68 and 7,858,266.44 is: 11,789,408.87
Step by Step Solution
- Step 1: Write the proportion equation
27,027,509.49 : 40,548,174.68 = 7,858,266.44 : x - Step 2: Convert to fraction form
27,027,509.49/40,548,174.68 = 7,858,266.44/x - Step 3: Cross multiply
27,027,509.49x = 40,548,174.68 × 7,858,266.44 - Step 4: Simplify right side
27,027,509.49x = 318,638,360,108,006.50 - Step 5: Solve for x
x = 318,638,360,108,006.50/27,027,509.49 - Step 6: Final answer
x = 11,789,408.87
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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.