Finding the Fourth Proportional to 11,789,902.99, 17,684,853.40 and 3,270,239.83
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Solution
The fourth proportional to 11,789,902.99, 17,684,853.40 and 3,270,239.83 is: 4,905,359.44
Step by Step Solution
- Step 1: Write the proportion equation
11,789,902.99 : 17,684,853.40 = 3,270,239.83 : x - Step 2: Convert to fraction form
11,789,902.99/17,684,853.40 = 3,270,239.83/x - Step 3: Cross multiply
11,789,902.99x = 17,684,853.40 × 3,270,239.83 - Step 4: Simplify right side
11,789,902.99x = 57,833,711,976,390.92 - Step 5: Solve for x
x = 57,833,711,976,390.92/11,789,902.99 - Step 6: Final answer
x = 4,905,359.44
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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.