Finding the Fourth Proportional to 11,418,235.44, 15,757,530.12 and 6,261,584.82
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Solution
The fourth proportional to 11,418,235.44, 15,757,530.12 and 6,261,584.82 is: 8,641,187.33
Step by Step Solution
- Step 1: Write the proportion equation
11,418,235.44 : 15,757,530.12 = 6,261,584.82 : x - Step 2: Convert to fraction form
11,418,235.44/15,757,530.12 = 6,261,584.82/x - Step 3: Cross multiply
11,418,235.44x = 15,757,530.12 × 6,261,584.82 - Step 4: Simplify right side
11,418,235.44x = 98,667,111,400,084.78 - Step 5: Solve for x
x = 98,667,111,400,084.78/11,418,235.44 - Step 6: Final answer
x = 8,641,187.33
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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.