Finding the Fourth Proportional to 35,174,576.78, 48,540,879.14 and 19,704,770.31
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Solution
The fourth proportional to 35,174,576.78, 48,540,879.14 and 19,704,770.31 is: 27,192,562.40
Step by Step Solution
- Step 1: Write the proportion equation
35,174,576.78 : 48,540,879.14 = 19,704,770.31 : x - Step 2: Convert to fraction form
35,174,576.78/48,540,879.14 = 19,704,770.31/x - Step 3: Cross multiply
35,174,576.78x = 48,540,879.14 × 19,704,770.31 - Step 4: Simplify right side
35,174,576.78x = 956,486,874,000,646.38 - Step 5: Solve for x
x = 956,486,874,000,646.38/35,174,576.78 - Step 6: Final answer
x = 27,192,562.40
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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.