Finding the Fourth Proportional to 7,454,131.92, 11,181,448.17 and 2,062,331.28
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Solution
The fourth proportional to 7,454,131.92, 11,181,448.17 and 2,062,331.28 is: 3,093,566.17
Step by Step Solution
- Step 1: Write the proportion equation
7,454,131.92 : 11,181,448.17 = 2,062,331.28 : x - Step 2: Convert to fraction form
7,454,131.92/11,181,448.17 = 2,062,331.28/x - Step 3: Cross multiply
7,454,131.92x = 11,181,448.17 × 2,062,331.28 - Step 4: Simplify right side
7,454,131.92x = 23,059,850,316,689.76 - Step 5: Solve for x
x = 23,059,850,316,689.76/7,454,131.92 - Step 6: Final answer
x = 3,093,566.17
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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.