Finding the Fourth Proportional to 27,056,470.62, 40,591,432.21 and 7,887,396.18
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Solution
The fourth proportional to 27,056,470.62, 40,591,432.21 and 7,887,396.18 is: 11,833,055.09
Step by Step Solution
- Step 1: Write the proportion equation
27,056,470.62 : 40,591,432.21 = 7,887,396.18 : x - Step 2: Convert to fraction form
27,056,470.62/40,591,432.21 = 7,887,396.18/x - Step 3: Cross multiply
27,056,470.62x = 40,591,432.21 × 7,887,396.18 - Step 4: Simplify right side
27,056,470.62x = 320,160,707,353,882.94 - Step 5: Solve for x
x = 320,160,707,353,882.94/27,056,470.62 - Step 6: Final answer
x = 11,833,055.09
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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.