Finding the Fourth Proportional to 11,277,579.53, 15,563,074.87 and 6,120,939.71
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Solution
The fourth proportional to 11,277,579.53, 15,563,074.87 and 6,120,939.71 is: 8,446,905.01
Step by Step Solution
- Step 1: Write the proportion equation
11,277,579.53 : 15,563,074.87 = 6,120,939.71 : x - Step 2: Convert to fraction form
11,277,579.53/15,563,074.87 = 6,120,939.71/x - Step 3: Cross multiply
11,277,579.53x = 15,563,074.87 × 6,120,939.71 - Step 4: Simplify right side
11,277,579.53x = 95,260,642,981,486.08 - Step 5: Solve for x
x = 95,260,642,981,486.08/11,277,579.53 - Step 6: Final answer
x = 8,446,905.01
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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.