Finding the Fourth Proportional to 13,494,844.16, 18,623,349.52 and 7,383,272.66
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Solution
The fourth proportional to 13,494,844.16, 18,623,349.52 and 7,383,272.66 is: 10,189,170.45
Step by Step Solution
- Step 1: Write the proportion equation
13,494,844.16 : 18,623,349.52 = 7,383,272.66 : x - Step 2: Convert to fraction form
13,494,844.16/18,623,349.52 = 7,383,272.66/x - Step 3: Cross multiply
13,494,844.16x = 18,623,349.52 × 7,383,272.66 - Step 4: Simplify right side
13,494,844.16x = 137,501,267,237,065.19 - Step 5: Solve for x
x = 137,501,267,237,065.19/13,494,844.16 - Step 6: Final answer
x = 10,189,170.45
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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.