Finding the Fourth Proportional to 10,367,286.80, 15,545,400.60 and 4,376,886.80
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Solution
The fourth proportional to 10,367,286.80, 15,545,400.60 and 4,376,886.80 is: 6,562,995.70
Step by Step Solution
- Step 1: Write the proportion equation
10,367,286.80 : 15,545,400.60 = 4,376,886.80 : x - Step 2: Convert to fraction form
10,367,286.80/15,545,400.60 = 4,376,886.80/x - Step 3: Cross multiply
10,367,286.80x = 15,545,400.60 × 4,376,886.80 - Step 4: Simplify right side
10,367,286.80x = 68,040,458,686,852.08 - Step 5: Solve for x
x = 68,040,458,686,852.08/10,367,286.80 - Step 6: Final answer
x = 6,562,995.70
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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.