Finding the Fourth Proportional to 8,364,304.46, 12,539,149.34 and 3,243,206.12
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Solution
The fourth proportional to 8,364,304.46, 12,539,149.34 and 3,243,206.12 is: 4,861,975.80
Step by Step Solution
- Step 1: Write the proportion equation
8,364,304.46 : 12,539,149.34 = 3,243,206.12 : x - Step 2: Convert to fraction form
8,364,304.46/12,539,149.34 = 3,243,206.12/x - Step 3: Cross multiply
8,364,304.46x = 12,539,149.34 × 3,243,206.12 - Step 4: Simplify right side
8,364,304.46x = 40,667,045,879,081.96 - Step 5: Solve for x
x = 40,667,045,879,081.96/8,364,304.46 - Step 6: Final answer
x = 4,861,975.80
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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.