Finding the Fourth Proportional to 11,935,918.28, 17,891,130.51 and 6,807,305.03
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Solution
The fourth proportional to 11,935,918.28, 17,891,130.51 and 6,807,305.03 is: 10,203,687.72
Step by Step Solution
- Step 1: Write the proportion equation
11,935,918.28 : 17,891,130.51 = 6,807,305.03 : x - Step 2: Convert to fraction form
11,935,918.28/17,891,130.51 = 6,807,305.03/x - Step 3: Cross multiply
11,935,918.28x = 17,891,130.51 × 6,807,305.03 - Step 4: Simplify right side
11,935,918.28x = 121,790,382,780,201.22 - Step 5: Solve for x
x = 121,790,382,780,201.22/11,935,918.28 - Step 6: Final answer
x = 10,203,687.72
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.