Finding the Fourth Proportional to 25,491,232.54, 35,177,454.66 and 13,888,879.48
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Solution
The fourth proportional to 25,491,232.54, 35,177,454.66 and 13,888,879.48 is: 19,166,410.55
Step by Step Solution
- Step 1: Write the proportion equation
25,491,232.54 : 35,177,454.66 = 13,888,879.48 : x - Step 2: Convert to fraction form
25,491,232.54/35,177,454.66 = 13,888,879.48/x - Step 3: Cross multiply
25,491,232.54x = 35,177,454.66 × 13,888,879.48 - Step 4: Simplify right side
25,491,232.54x = 488,575,428,185,904.31 - Step 5: Solve for x
x = 488,575,428,185,904.31/25,491,232.54 - Step 6: Final answer
x = 19,166,410.55
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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.