Finding the Fourth Proportional to 9,591,889.86, 13,236,414.12 and 5,241,125.52
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Solution
The fourth proportional to 9,591,889.86, 13,236,414.12 and 5,241,125.52 is: 7,232,537.99
Step by Step Solution
- Step 1: Write the proportion equation
9,591,889.86 : 13,236,414.12 = 5,241,125.52 : x - Step 2: Convert to fraction form
9,591,889.86/13,236,414.12 = 5,241,125.52/x - Step 3: Cross multiply
9,591,889.86x = 13,236,414.12 × 5,241,125.52 - Step 4: Simplify right side
9,591,889.86x = 69,373,707,837,620.34 - Step 5: Solve for x
x = 69,373,707,837,620.34/9,591,889.86 - Step 6: Final answer
x = 7,232,537.99
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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.