Finding the Fourth Proportional to 10,922,709.40, 16,388,000.70 and 4,537,544.20
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Solution
The fourth proportional to 10,922,709.40, 16,388,000.70 and 4,537,544.20 is: 6,807,951.65
Step by Step Solution
- Step 1: Write the proportion equation
10,922,709.40 : 16,388,000.70 = 4,537,544.20 : x - Step 2: Convert to fraction form
10,922,709.40/16,388,000.70 = 4,537,544.20/x - Step 3: Cross multiply
10,922,709.40x = 16,388,000.70 × 4,537,544.20 - Step 4: Simplify right side
10,922,709.40x = 74,361,277,525,880.94 - Step 5: Solve for x
x = 74,361,277,525,880.94/10,922,709.40 - Step 6: Final answer
x = 6,807,951.65
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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.