Finding the Fourth Proportional to 10,858,218.62, 14,985,671.09 and 6,274,539.99
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Solution
The fourth proportional to 10,858,218.62, 14,985,671.09 and 6,274,539.99 is: 8,659,633.39
Step by Step Solution
- Step 1: Write the proportion equation
10,858,218.62 : 14,985,671.09 = 6,274,539.99 : x - Step 2: Convert to fraction form
10,858,218.62/14,985,671.09 = 6,274,539.99/x - Step 3: Cross multiply
10,858,218.62x = 14,985,671.09 × 6,274,539.99 - Step 4: Simplify right side
10,858,218.62x = 94,028,192,499,819.20 - Step 5: Solve for x
x = 94,028,192,499,819.20/10,858,218.62 - Step 6: Final answer
x = 8,659,633.39
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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.