Finding the Fourth Proportional to 15,093,289.05, 20,829,251.75 and 8,479,046.03
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Solution
The fourth proportional to 15,093,289.05, 20,829,251.75 and 8,479,046.03 is: 11,701,371.63
Step by Step Solution
- Step 1: Write the proportion equation
15,093,289.05 : 20,829,251.75 = 8,479,046.03 : x - Step 2: Convert to fraction form
15,093,289.05/20,829,251.75 = 8,479,046.03/x - Step 3: Cross multiply
15,093,289.05x = 20,829,251.75 × 8,479,046.03 - Step 4: Simplify right side
15,093,289.05x = 176,612,184,212,166.59 - Step 5: Solve for x
x = 176,612,184,212,166.59/15,093,289.05 - Step 6: Final answer
x = 11,701,371.63
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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.