Finding the Fourth Proportional to 11,612,844.79, 16,002,092.55 and 8,983,376.44
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Solution
The fourth proportional to 11,612,844.79, 16,002,092.55 and 8,983,376.44 is: 12,378,777.45
Step by Step Solution
- Step 1: Write the proportion equation
11,612,844.79 : 16,002,092.55 = 8,983,376.44 : x - Step 2: Convert to fraction form
11,612,844.79/16,002,092.55 = 8,983,376.44/x - Step 3: Cross multiply
11,612,844.79x = 16,002,092.55 × 8,983,376.44 - Step 4: Simplify right side
11,612,844.79x = 143,752,821,204,369.53 - Step 5: Solve for x
x = 143,752,821,204,369.53/11,612,844.79 - Step 6: Final answer
x = 12,378,777.45
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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.