Finding the Fourth Proportional to 10,793,979.20, 16,181,637.60 and 6,529,620.80
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Solution
The fourth proportional to 10,793,979.20, 16,181,637.60 and 6,529,620.80 is: 9,788,786.46
Step by Step Solution
- Step 1: Write the proportion equation
10,793,979.20 : 16,181,637.60 = 6,529,620.80 : x - Step 2: Convert to fraction form
10,793,979.20/16,181,637.60 = 6,529,620.80/x - Step 3: Cross multiply
10,793,979.20x = 16,181,637.60 × 6,529,620.80 - Step 4: Simplify right side
10,793,979.20x = 105,659,957,451,022.08 - Step 5: Solve for x
x = 105,659,957,451,022.08/10,793,979.20 - Step 6: Final answer
x = 9,788,786.46
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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.