Finding the Fourth Proportional to 11,505,295.74, 15,877,645.02 and 6,278,640.69
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Solution
The fourth proportional to 11,505,295.74, 15,877,645.02 and 6,278,640.69 is: 8,664,708.01
Step by Step Solution
- Step 1: Write the proportion equation
11,505,295.74 : 15,877,645.02 = 6,278,640.69 : x - Step 2: Convert to fraction form
11,505,295.74/15,877,645.02 = 6,278,640.69/x - Step 3: Cross multiply
11,505,295.74x = 15,877,645.02 × 6,278,640.69 - Step 4: Simplify right side
11,505,295.74x = 99,690,028,143,489.03 - Step 5: Solve for x
x = 99,690,028,143,489.03/11,505,295.74 - Step 6: Final answer
x = 8,664,708.01
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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.