Finding the Fourth Proportional to 19,412,034.10, 29,118,051.15 and 19,160,091.70
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Solution
The fourth proportional to 19,412,034.10, 29,118,051.15 and 19,160,091.70 is: 28,740,137.55
Step by Step Solution
- Step 1: Write the proportion equation
19,412,034.10 : 29,118,051.15 = 19,160,091.70 : x - Step 2: Convert to fraction form
19,412,034.10/29,118,051.15 = 19,160,091.70/x - Step 3: Cross multiply
19,412,034.10x = 29,118,051.15 × 19,160,091.70 - Step 4: Simplify right side
19,412,034.10x = 557,904,530,159,290.38 - Step 5: Solve for x
x = 557,904,530,159,290.38/19,412,034.10 - Step 6: Final answer
x = 28,740,137.55
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1.5x scale
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.