Finding the Fourth Proportional to 27,741,542.13, 38,283,391.13 and 15,352,537.05
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Solution
The fourth proportional to 27,741,542.13, 38,283,391.13 and 15,352,537.05 is: 21,186,535.99
Step by Step Solution
- Step 1: Write the proportion equation
27,741,542.13 : 38,283,391.13 = 15,352,537.05 : x - Step 2: Convert to fraction form
27,741,542.13/38,283,391.13 = 15,352,537.05/x - Step 3: Cross multiply
27,741,542.13x = 38,283,391.13 × 15,352,537.05 - Step 4: Simplify right side
27,741,542.13x = 587,747,180,646,203.75 - Step 5: Solve for x
x = 587,747,180,646,203.75/27,741,542.13 - Step 6: Final answer
x = 21,186,535.99
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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.