Finding the Fourth Proportional to 11,464,436.64, 15,820,596.32 and 6,307,801.68
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Solution
The fourth proportional to 11,464,436.64, 15,820,596.32 and 6,307,801.68 is: 8,704,586.82
Step by Step Solution
- Step 1: Write the proportion equation
11,464,436.64 : 15,820,596.32 = 6,307,801.68 : x - Step 2: Convert to fraction form
11,464,436.64/15,820,596.32 = 6,307,801.68/x - Step 3: Cross multiply
11,464,436.64x = 15,820,596.32 × 6,307,801.68 - Step 4: Simplify right side
11,464,436.64x = 99,793,184,045,897.81 - Step 5: Solve for x
x = 99,793,184,045,897.81/11,464,436.64 - Step 6: Final answer
x = 8,704,586.82
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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.