Finding the Fourth Proportional to 11,208,752.87, 16,813,145.70 and 3,121,751.75
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Solution
The fourth proportional to 11,208,752.87, 16,813,145.70 and 3,121,751.75 is: 4,682,632.19
Step by Step Solution
- Step 1: Write the proportion equation
11,208,752.87 : 16,813,145.70 = 3,121,751.75 : x - Step 2: Convert to fraction form
11,208,752.87/16,813,145.70 = 3,121,751.75/x - Step 3: Cross multiply
11,208,752.87x = 16,813,145.70 × 3,121,751.75 - Step 4: Simplify right side
11,208,752.87x = 52,486,466,927,914.24 - Step 5: Solve for x
x = 52,486,466,927,914.24/11,208,752.87 - Step 6: Final answer
x = 4,682,632.19
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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.