Finding the Fourth Proportional to 33,879,238.60, 46,753,260.42 and 18,409,323.88
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Solution
The fourth proportional to 33,879,238.60, 46,753,260.42 and 18,409,323.88 is: 25,404,818.68
Step by Step Solution
- Step 1: Write the proportion equation
33,879,238.60 : 46,753,260.42 = 18,409,323.88 : x - Step 2: Convert to fraction form
33,879,238.60/46,753,260.42 = 18,409,323.88/x - Step 3: Cross multiply
33,879,238.60x = 46,753,260.42 × 18,409,323.88 - Step 4: Simplify right side
33,879,238.60x = 860,695,913,517,764.88 - Step 5: Solve for x
x = 860,695,913,517,764.88/33,879,238.60 - Step 6: Final answer
x = 25,404,818.68
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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.