Finding the Fourth Proportional to 11,133,627.12, 15,364,145.58 and 6,550,243.74
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Solution
The fourth proportional to 11,133,627.12, 15,364,145.58 and 6,550,243.74 is: 9,039,183.49
Step by Step Solution
- Step 1: Write the proportion equation
11,133,627.12 : 15,364,145.58 = 6,550,243.74 : x - Step 2: Convert to fraction form
11,133,627.12/15,364,145.58 = 6,550,243.74/x - Step 3: Cross multiply
11,133,627.12x = 15,364,145.58 × 6,550,243.74 - Step 4: Simplify right side
11,133,627.12x = 100,638,898,405,843.67 - Step 5: Solve for x
x = 100,638,898,405,843.67/11,133,627.12 - Step 6: Final answer
x = 9,039,183.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.