Finding the Fourth Proportional to 33,195,121.60, 49,824,175.20 and 20,440,537.60
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Solution
The fourth proportional to 33,195,121.60, 49,824,175.20 and 20,440,537.60 is: 30,680,198.70
Step by Step Solution
- Step 1: Write the proportion equation
33,195,121.60 : 49,824,175.20 = 20,440,537.60 : x - Step 2: Convert to fraction form
33,195,121.60/49,824,175.20 = 20,440,537.60/x - Step 3: Cross multiply
33,195,121.60x = 49,824,175.20 × 20,440,537.60 - Step 4: Simplify right side
33,195,121.60x = 1,018,432,926,564,587.62 - Step 5: Solve for x
x = 1,018,432,926,564,587.62/33,195,121.60 - Step 6: Final answer
x = 30,680,198.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.