Finding the Fourth Proportional to 11,412,969.73, 15,748,216.25 and 6,940,243.08
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Solution
The fourth proportional to 11,412,969.73, 15,748,216.25 and 6,940,243.08 is: 9,576,512.64
Step by Step Solution
- Step 1: Write the proportion equation
11,412,969.73 : 15,748,216.25 = 6,940,243.08 : x - Step 2: Convert to fraction form
11,412,969.73/15,748,216.25 = 6,940,243.08/x - Step 3: Cross multiply
11,412,969.73x = 15,748,216.25 × 6,940,243.08 - Step 4: Simplify right side
11,412,969.73x = 109,296,448,851,406.05 - Step 5: Solve for x
x = 109,296,448,851,406.05/11,412,969.73 - Step 6: Final answer
x = 9,576,512.64
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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.