Finding the Fourth Proportional to 48,036,615.84, 66,290,431.32 and 26,010,108.72
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Solution
The fourth proportional to 48,036,615.84, 66,290,431.32 and 26,010,108.72 is: 35,893,896.68
Step by Step Solution
- Step 1: Write the proportion equation
48,036,615.84 : 66,290,431.32 = 26,010,108.72 : x - Step 2: Convert to fraction form
48,036,615.84/66,290,431.32 = 26,010,108.72/x - Step 3: Cross multiply
48,036,615.84x = 66,290,431.32 × 26,010,108.72 - Step 4: Simplify right side
48,036,615.84x = 1,724,221,325,728,893 - Step 5: Solve for x
x = 1,724,221,325,728,893/48,036,615.84 - Step 6: Final answer
x = 35,893,896.68
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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.