Finding the Fourth Proportional to 11,461,467.69, 15,816,908.80 and 6,234,520.99
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Solution
The fourth proportional to 11,461,467.69, 15,816,908.80 and 6,234,520.99 is: 8,603,684.33
Step by Step Solution
- Step 1: Write the proportion equation
11,461,467.69 : 15,816,908.80 = 6,234,520.99 : x - Step 2: Convert to fraction form
11,461,467.69/15,816,908.80 = 6,234,520.99/x - Step 3: Cross multiply
11,461,467.69x = 15,816,908.80 × 6,234,520.99 - Step 4: Simplify right side
11,461,467.69x = 98,610,849,910,515.72 - Step 5: Solve for x
x = 98,610,849,910,515.72/11,461,467.69 - Step 6: Final answer
x = 8,603,684.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.