Finding the Fourth Proportional to 7,529,403.92, 11,294,077.08 and 2,138,054.48
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Solution
The fourth proportional to 7,529,403.92, 11,294,077.08 and 2,138,054.48 is: 3,207,073.54
Step by Step Solution
- Step 1: Write the proportion equation
7,529,403.92 : 11,294,077.08 = 2,138,054.48 : x - Step 2: Convert to fraction form
7,529,403.92/11,294,077.08 = 2,138,054.48/x - Step 3: Cross multiply
7,529,403.92x = 11,294,077.08 × 2,138,054.48 - Step 4: Simplify right side
7,529,403.92x = 24,147,352,098,359.32 - Step 5: Solve for x
x = 24,147,352,098,359.32/7,529,403.92 - Step 6: Final answer
x = 3,207,073.54
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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.