Finding the Fourth Proportional to 11,394,612.54, 15,724,565.84 and 6,237,974.09
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Solution
The fourth proportional to 11,394,612.54, 15,724,565.84 and 6,237,974.09 is: 8,608,404.53
Step by Step Solution
- Step 1: Write the proportion equation
11,394,612.54 : 15,724,565.84 = 6,237,974.09 : x - Step 2: Convert to fraction form
11,394,612.54/15,724,565.84 = 6,237,974.09/x - Step 3: Cross multiply
11,394,612.54x = 15,724,565.84 × 6,237,974.09 - Step 4: Simplify right side
11,394,612.54x = 98,089,434,235,333.56 - Step 5: Solve for x
x = 98,089,434,235,333.56/11,394,612.54 - Step 6: Final answer
x = 8,608,404.53
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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.