Finding the Fourth Proportional to 27,424,456.18, 37,845,507.70 and 15,034,324.30
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Solution
The fourth proportional to 27,424,456.18, 37,845,507.70 and 15,034,324.30 is: 20,747,234.96
Step by Step Solution
- Step 1: Write the proportion equation
27,424,456.18 : 37,845,507.70 = 15,034,324.30 : x - Step 2: Convert to fraction form
27,424,456.18/37,845,507.70 = 15,034,324.30/x - Step 3: Cross multiply
27,424,456.18x = 37,845,507.70 × 15,034,324.30 - Step 4: Simplify right side
27,424,456.18x = 568,981,636,059,947.12 - Step 5: Solve for x
x = 568,981,636,059,947.12/27,424,456.18 - Step 6: Final answer
x = 20,747,234.96
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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.