Finding the Fourth Proportional to 10,790,533.20, 16,183,207.80 and 6,231,723.60
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Solution
The fourth proportional to 10,790,533.20, 16,183,207.80 and 6,231,723.60 is: 9,346,088.47
Step by Step Solution
- Step 1: Write the proportion equation
10,790,533.20 : 16,183,207.80 = 6,231,723.60 : x - Step 2: Convert to fraction form
10,790,533.20/16,183,207.80 = 6,231,723.60/x - Step 3: Cross multiply
10,790,533.20x = 16,183,207.80 × 6,231,723.60 - Step 4: Simplify right side
10,790,533.20x = 100,849,277,970,964.08 - Step 5: Solve for x
x = 100,849,277,970,964.08/10,790,533.20 - Step 6: Final answer
x = 9,346,088.47
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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.