Finding the Fourth Proportional to 8,213,750.16, 12,246,645.90 and 7,530,852.48
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Solution
The fourth proportional to 8,213,750.16, 12,246,645.90 and 7,530,852.48 is: 11,228,450.08
Step by Step Solution
- Step 1: Write the proportion equation
8,213,750.16 : 12,246,645.90 = 7,530,852.48 : x - Step 2: Convert to fraction form
8,213,750.16/12,246,645.90 = 7,530,852.48/x - Step 3: Cross multiply
8,213,750.16x = 12,246,645.90 × 7,530,852.48 - Step 4: Simplify right side
8,213,750.16x = 92,227,683,647,696.84 - Step 5: Solve for x
x = 92,227,683,647,696.84/8,213,750.16 - Step 6: Final answer
x = 11,228,450.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.