Finding the Fourth Proportional to 8,242,396.36, 12,364,184.84 and 2,177,067.64
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Solution
The fourth proportional to 8,242,396.36, 12,364,184.84 and 2,177,067.64 is: 3,265,757.38
Step by Step Solution
- Step 1: Write the proportion equation
8,242,396.36 : 12,364,184.84 = 2,177,067.64 : x - Step 2: Convert to fraction form
8,242,396.36/12,364,184.84 = 2,177,067.64/x - Step 3: Cross multiply
8,242,396.36x = 12,364,184.84 × 2,177,067.64 - Step 4: Simplify right side
8,242,396.36x = 26,917,666,710,142.58 - Step 5: Solve for x
x = 26,917,666,710,142.58/8,242,396.36 - Step 6: Final answer
x = 3,265,757.38
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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.