Finding the Fourth Proportional to 6,146,928.13, 8,474,874.99 and 5,040,282.37
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Solution
The fourth proportional to 6,146,928.13, 8,474,874.99 and 5,040,282.37 is: 6,949,123.55
Step by Step Solution
- Step 1: Write the proportion equation
6,146,928.13 : 8,474,874.99 = 5,040,282.37 : x - Step 2: Convert to fraction form
6,146,928.13/8,474,874.99 = 5,040,282.37/x - Step 3: Cross multiply
6,146,928.13x = 8,474,874.99 × 5,040,282.37 - Step 4: Simplify right side
6,146,928.13x = 42,715,763,000,050.93 - Step 5: Solve for x
x = 42,715,763,000,050.93/6,146,928.13 - Step 6: Final answer
x = 6,949,123.55
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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.