Finding the Fourth Proportional to 7,068,228.80, 10,586,596.80 and 5,808,516.80
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Solution
The fourth proportional to 7,068,228.80, 10,586,596.80 and 5,808,516.80 is: 8,699,835.15
Step by Step Solution
- Step 1: Write the proportion equation
7,068,228.80 : 10,586,596.80 = 5,808,516.80 : x - Step 2: Convert to fraction form
7,068,228.80/10,586,596.80 = 5,808,516.80/x - Step 3: Cross multiply
7,068,228.80x = 10,586,596.80 × 5,808,516.80 - Step 4: Simplify right side
7,068,228.80x = 61,492,425,367,626.24 - Step 5: Solve for x
x = 61,492,425,367,626.24/7,068,228.80 - Step 6: Final answer
x = 8,699,835.15
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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.