Finding the Fourth Proportional to 7,454,157.12, 11,181,485.72 and 2,062,355.97
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Solution
The fourth proportional to 7,454,157.12, 11,181,485.72 and 2,062,355.97 is: 3,093,603.13
Step by Step Solution
- Step 1: Write the proportion equation
7,454,157.12 : 11,181,485.72 = 2,062,355.97 : x - Step 2: Convert to fraction form
7,454,157.12/11,181,485.72 = 2,062,355.97/x - Step 3: Cross multiply
7,454,157.12x = 11,181,485.72 × 2,062,355.97 - Step 4: Simplify right side
7,454,157.12x = 23,060,203,828,111.75 - Step 5: Solve for x
x = 23,060,203,828,111.75/7,454,157.12 - Step 6: Final answer
x = 3,093,603.13
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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.