Finding the Fourth Proportional to 11,104,817.28, 15,324,360 and 6,143,441.76
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Solution
The fourth proportional to 11,104,817.28, 15,324,360 and 6,143,441.76 is: 8,477,790.39
Step by Step Solution
- Step 1: Write the proportion equation
11,104,817.28 : 15,324,360 = 6,143,441.76 : x - Step 2: Convert to fraction form
11,104,817.28/15,324,360 = 6,143,441.76/x - Step 3: Cross multiply
11,104,817.28x = 15,324,360 × 6,143,441.76 - Step 4: Simplify right side
11,104,817.28x = 94,144,313,169,273.59 - Step 5: Solve for x
x = 94,144,313,169,273.59/11,104,817.28 - Step 6: Final answer
x = 8,477,790.39
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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.