Finding the Fourth Proportional to 11,788,819.16, 16,268,571.20 and 6,561,714.80
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Solution
The fourth proportional to 11,788,819.16, 16,268,571.20 and 6,561,714.80 is: 9,055,166.85
Step by Step Solution
- Step 1: Write the proportion equation
11,788,819.16 : 16,268,571.20 = 6,561,714.80 : x - Step 2: Convert to fraction form
11,788,819.16/16,268,571.20 = 6,561,714.80/x - Step 3: Cross multiply
11,788,819.16x = 16,268,571.20 × 6,561,714.80 - Step 4: Simplify right side
11,788,819.16x = 106,749,724,417,893.75 - Step 5: Solve for x
x = 106,749,724,417,893.75/11,788,819.16 - Step 6: Final answer
x = 9,055,166.85
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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.