Finding the Fourth Proportional to 10,879,269.13, 16,313,287.11 and 3,201,916.50
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Solution
The fourth proportional to 10,879,269.13, 16,313,287.11 and 3,201,916.50 is: 4,801,221.71
Step by Step Solution
- Step 1: Write the proportion equation
10,879,269.13 : 16,313,287.11 = 3,201,916.50 : x - Step 2: Convert to fraction form
10,879,269.13/16,313,287.11 = 3,201,916.50/x - Step 3: Cross multiply
10,879,269.13x = 16,313,287.11 × 3,201,916.50 - Step 4: Simplify right side
10,879,269.13x = 52,233,783,154,739.12 - Step 5: Solve for x
x = 52,233,783,154,739.12/10,879,269.13 - Step 6: Final answer
x = 4,801,221.71
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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.