Finding the Fourth Proportional to 27,647,010.24, 38,153,789.68 and 15,088,750.62
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Solution
The fourth proportional to 27,647,010.24, 38,153,789.68 and 15,088,750.62 is: 20,822,975.53
Step by Step Solution
- Step 1: Write the proportion equation
27,647,010.24 : 38,153,789.68 = 15,088,750.62 : x - Step 2: Convert to fraction form
27,647,010.24/38,153,789.68 = 15,088,750.62/x - Step 3: Cross multiply
27,647,010.24x = 38,153,789.68 × 15,088,750.62 - Step 4: Simplify right side
27,647,010.24x = 575,693,017,689,449.62 - Step 5: Solve for x
x = 575,693,017,689,449.62/27,647,010.24 - Step 6: Final answer
x = 20,822,975.53
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1.5x scale
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.