Finding the Fourth Proportional to 32,841,396.74, 45,330,584.75 and 21,686,034.62
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Solution
The fourth proportional to 32,841,396.74, 45,330,584.75 and 21,686,034.62 is: 29,932,972.65
Step by Step Solution
- Step 1: Write the proportion equation
32,841,396.74 : 45,330,584.75 = 21,686,034.62 : x - Step 2: Convert to fraction form
32,841,396.74/45,330,584.75 = 21,686,034.62/x - Step 3: Cross multiply
32,841,396.74x = 45,330,584.75 × 21,686,034.62 - Step 4: Simplify right side
32,841,396.74x = 983,040,630,319,562.88 - Step 5: Solve for x
x = 983,040,630,319,562.88/32,841,396.74 - Step 6: Final answer
x = 29,932,972.65
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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.