Finding the Fourth Proportional to 18,284,945.64, 25,233,470.60 and 10,024,987.92
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Solution
The fourth proportional to 18,284,945.64, 25,233,470.60 and 10,024,987.92 is: 13,834,617.99
Step by Step Solution
- Step 1: Write the proportion equation
18,284,945.64 : 25,233,470.60 = 10,024,987.92 : x - Step 2: Convert to fraction form
18,284,945.64/25,233,470.60 = 10,024,987.92/x - Step 3: Cross multiply
18,284,945.64x = 25,233,470.60 × 10,024,987.92 - Step 4: Simplify right side
18,284,945.64x = 252,965,237,799,924.69 - Step 5: Solve for x
x = 252,965,237,799,924.69/18,284,945.64 - Step 6: Final answer
x = 13,834,617.99
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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.