Finding the Fourth Proportional to 7,873,901.14, 11,809,730.42 and 2,481,850.82
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Solution
The fourth proportional to 7,873,901.14, 11,809,730.42 and 2,481,850.82 is: 3,722,422.79
Step by Step Solution
- Step 1: Write the proportion equation
7,873,901.14 : 11,809,730.42 = 2,481,850.82 : x - Step 2: Convert to fraction form
7,873,901.14/11,809,730.42 = 2,481,850.82/x - Step 3: Cross multiply
7,873,901.14x = 11,809,730.42 × 2,481,850.82 - Step 4: Simplify right side
7,873,901.14x = 29,309,989,055,398.04 - Step 5: Solve for x
x = 29,309,989,055,398.04/7,873,901.14 - Step 6: Final answer
x = 3,722,422.79
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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.