Finding the Fourth Proportional to 11,447,171.60, 15,793,651.92 and 6,861,819.92
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Solution
The fourth proportional to 11,447,171.60, 15,793,651.92 and 6,861,819.92 is: 9,467,246.51
Step by Step Solution
- Step 1: Write the proportion equation
11,447,171.60 : 15,793,651.92 = 6,861,819.92 : x - Step 2: Convert to fraction form
11,447,171.60/15,793,651.92 = 6,861,819.92/x - Step 3: Cross multiply
11,447,171.60x = 15,793,651.92 × 6,861,819.92 - Step 4: Simplify right side
11,447,171.60x = 108,373,195,354,202.25 - Step 5: Solve for x
x = 108,373,195,354,202.25/11,447,171.60 - Step 6: Final answer
x = 9,467,246.51
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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.