Finding the Fourth Proportional to 18,322,325.37, 25,294,625.48 and 14,126,846.99
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Solution
The fourth proportional to 18,322,325.37, 25,294,625.48 and 14,126,846.99 is: 19,502,617.51
Step by Step Solution
- Step 1: Write the proportion equation
18,322,325.37 : 25,294,625.48 = 14,126,846.99 : x - Step 2: Convert to fraction form
18,322,325.37/25,294,625.48 = 14,126,846.99/x - Step 3: Cross multiply
18,322,325.37x = 25,294,625.48 × 14,126,846.99 - Step 4: Simplify right side
18,322,325.37x = 357,333,303,628,207.94 - Step 5: Solve for x
x = 357,333,303,628,207.94/18,322,325.37 - Step 6: Final answer
x = 19,502,617.51
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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.