Finding the Fourth Proportional to 11,873,668.80, 16,385,694.45 and 6,441,160.80
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Solution
The fourth proportional to 11,873,668.80, 16,385,694.45 and 6,441,160.80 is: 8,888,819.00
Step by Step Solution
- Step 1: Write the proportion equation
11,873,668.80 : 16,385,694.45 = 6,441,160.80 : x - Step 2: Convert to fraction form
11,873,668.80/16,385,694.45 = 6,441,160.80/x - Step 3: Cross multiply
11,873,668.80x = 16,385,694.45 × 6,441,160.80 - Step 4: Simplify right side
11,873,668.80x = 105,542,892,772,117.55 - Step 5: Solve for x
x = 105,542,892,772,117.55/11,873,668.80 - Step 6: Final answer
x = 8,888,819.00
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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.