Finding the Fourth Proportional to 18,551,050.80, 27,784,585.80 and 10,992,778.80
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Solution
The fourth proportional to 18,551,050.80, 27,784,585.80 and 10,992,778.80 is: 16,464,285.99
Step by Step Solution
- Step 1: Write the proportion equation
18,551,050.80 : 27,784,585.80 = 10,992,778.80 : x - Step 2: Convert to fraction form
18,551,050.80/27,784,585.80 = 10,992,778.80/x - Step 3: Cross multiply
18,551,050.80x = 27,784,585.80 × 10,992,778.80 - Step 4: Simplify right side
18,551,050.80x = 305,429,805,749,021.06 - Step 5: Solve for x
x = 305,429,805,749,021.06/18,551,050.80 - Step 6: Final answer
x = 16,464,285.99
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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.