Finding the Fourth Proportional to 7,873,952.51, 11,809,807.31 and 2,481,902.19
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Solution
The fourth proportional to 7,873,952.51, 11,809,807.31 and 2,481,902.19 is: 3,722,499.80
Step by Step Solution
- Step 1: Write the proportion equation
7,873,952.51 : 11,809,807.31 = 2,481,902.19 : x - Step 2: Convert to fraction form
7,873,952.51/11,809,807.31 = 2,481,902.19/x - Step 3: Cross multiply
7,873,952.51x = 11,809,807.31 × 2,481,902.19 - Step 4: Simplify right side
7,873,952.51x = 29,310,786,632,371.77 - Step 5: Solve for x
x = 29,310,786,632,371.77/7,873,952.51 - Step 6: Final answer
x = 3,722,499.80
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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.