Finding the Fourth Proportional to 29,878,842.96, 41,234,560.68 and 18,278,629.92
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Solution
The fourth proportional to 29,878,842.96, 41,234,560.68 and 18,278,629.92 is: 25,225,584.39
Step by Step Solution
- Step 1: Write the proportion equation
29,878,842.96 : 41,234,560.68 = 18,278,629.92 : x - Step 2: Convert to fraction form
29,878,842.96/41,234,560.68 = 18,278,629.92/x - Step 3: Cross multiply
29,878,842.96x = 41,234,560.68 × 18,278,629.92 - Step 4: Simplify right side
29,878,842.96x = 753,711,274,583,503.62 - Step 5: Solve for x
x = 753,711,274,583,503.62/29,878,842.96 - Step 6: Final answer
x = 25,225,584.39
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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.