Finding the Fourth Proportional to 8,203,243.36, 12,312,585.96 and 4,162,630.72
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Solution
The fourth proportional to 8,203,243.36, 12,312,585.96 and 4,162,630.72 is: 6,247,863.96
Step by Step Solution
- Step 1: Write the proportion equation
8,203,243.36 : 12,312,585.96 = 4,162,630.72 : x - Step 2: Convert to fraction form
8,203,243.36/12,312,585.96 = 4,162,630.72/x - Step 3: Cross multiply
8,203,243.36x = 12,312,585.96 × 4,162,630.72 - Step 4: Simplify right side
8,203,243.36x = 51,252,748,559,736.70 - Step 5: Solve for x
x = 51,252,748,559,736.70/8,203,243.36 - Step 6: Final answer
x = 6,247,863.96
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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.