Finding the Fourth Proportional to 11,366,550.36, 15,685,854.98 and 6,471,774.63
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Solution
The fourth proportional to 11,366,550.36, 15,685,854.98 and 6,471,774.63 is: 8,931,057.80
Step by Step Solution
- Step 1: Write the proportion equation
11,366,550.36 : 15,685,854.98 = 6,471,774.63 : x - Step 2: Convert to fraction form
11,366,550.36/15,685,854.98 = 6,471,774.63/x - Step 3: Cross multiply
11,366,550.36x = 15,685,854.98 × 6,471,774.63 - Step 4: Simplify right side
11,366,550.36x = 101,515,318,277,064.28 - Step 5: Solve for x
x = 101,515,318,277,064.28/11,366,550.36 - Step 6: Final answer
x = 8,931,057.80
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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.