Finding the Fourth Proportional to 7,294,821.12, 10,067,235.84 and 4,395,121.92
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Solution
The fourth proportional to 7,294,821.12, 10,067,235.84 and 4,395,121.92 is: 6,065,498.82
Step by Step Solution
- Step 1: Write the proportion equation
7,294,821.12 : 10,067,235.84 = 4,395,121.92 : x - Step 2: Convert to fraction form
7,294,821.12/10,067,235.84 = 4,395,121.92/x - Step 3: Cross multiply
7,294,821.12x = 10,067,235.84 × 4,395,121.92 - Step 4: Simplify right side
7,294,821.12x = 44,246,728,914,193.61 - Step 5: Solve for x
x = 44,246,728,914,193.61/7,294,821.12 - Step 6: Final answer
x = 6,065,498.82
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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.