Finding the Fourth Proportional to 27,524,609.09, 37,927,991.43 and 21,291,806.66
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Solution
The fourth proportional to 27,524,609.09, 37,927,991.43 and 21,291,806.66 is: 29,339,397.99
Step by Step Solution
- Step 1: Write the proportion equation
27,524,609.09 : 37,927,991.43 = 21,291,806.66 : x - Step 2: Convert to fraction form
27,524,609.09/37,927,991.43 = 21,291,806.66/x - Step 3: Cross multiply
27,524,609.09x = 37,927,991.43 × 21,291,806.66 - Step 4: Simplify right side
27,524,609.09x = 807,555,460,529,696.88 - Step 5: Solve for x
x = 807,555,460,529,696.88/27,524,609.09 - Step 6: Final answer
x = 29,339,397.99
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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.