Finding the Fourth Proportional to 27,419,735.88, 37,775,640.58 and 19,146,694.19
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Solution
The fourth proportional to 27,419,735.88, 37,775,640.58 and 19,146,694.19 is: 26,378,030.81
Step by Step Solution
- Step 1: Write the proportion equation
27,419,735.88 : 37,775,640.58 = 19,146,694.19 : x - Step 2: Convert to fraction form
27,419,735.88/37,775,640.58 = 19,146,694.19/x - Step 3: Cross multiply
27,419,735.88x = 37,775,640.58 × 19,146,694.19 - Step 4: Simplify right side
27,419,735.88x = 723,278,637,779,869.25 - Step 5: Solve for x
x = 723,278,637,779,869.25/27,419,735.88 - Step 6: Final answer
x = 26,378,030.81
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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.