Finding the Fourth Proportional to 41,940,645.20, 57,848,276.19 and 27,994,969.07
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Solution
The fourth proportional to 41,940,645.20, 57,848,276.19 and 27,994,969.07 is: 38,613,156.64
Step by Step Solution
- Step 1: Write the proportion equation
41,940,645.20 : 57,848,276.19 = 27,994,969.07 : x - Step 2: Convert to fraction form
41,940,645.20/57,848,276.19 = 27,994,969.07/x - Step 3: Cross multiply
41,940,645.20x = 57,848,276.19 × 27,994,969.07 - Step 4: Simplify right side
41,940,645.20x = 1,619,460,702,402,626 - Step 5: Solve for x
x = 1,619,460,702,402,626/41,940,645.20 - Step 6: Final answer
x = 38,613,156.64
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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.