Finding the Fourth Proportional to 32,176,063.74, 44,361,290.58 and 20,840,081.74
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Solution
The fourth proportional to 32,176,063.74, 44,361,290.58 and 20,840,081.74 is: 28,732,318.82
Step by Step Solution
- Step 1: Write the proportion equation
32,176,063.74 : 44,361,290.58 = 20,840,081.74 : x - Step 2: Convert to fraction form
32,176,063.74/44,361,290.58 = 20,840,081.74/x - Step 3: Cross multiply
32,176,063.74x = 44,361,290.58 × 20,840,081.74 - Step 4: Simplify right side
32,176,063.74x = 924,492,921,779,091.88 - Step 5: Solve for x
x = 924,492,921,779,091.88/32,176,063.74 - Step 6: Final answer
x = 28,732,318.82
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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.