Finding the Fourth Proportional to 12,138,979.97, 16,751,596.84 and 6,632,236.55
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Solution
The fourth proportional to 12,138,979.97, 16,751,596.84 and 6,632,236.55 is: 9,152,379.61
Step by Step Solution
- Step 1: Write the proportion equation
12,138,979.97 : 16,751,596.84 = 6,632,236.55 : x - Step 2: Convert to fraction form
12,138,979.97/16,751,596.84 = 6,632,236.55/x - Step 3: Cross multiply
12,138,979.97x = 16,751,596.84 × 6,632,236.55 - Step 4: Simplify right side
12,138,979.97x = 111,100,552,732,773.92 - Step 5: Solve for x
x = 111,100,552,732,773.92/12,138,979.97 - Step 6: Final answer
x = 9,152,379.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.