Finding the Fourth Proportional to 11,292,429.11, 16,929,121.70 and 4,897,865.48
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Solution
The fourth proportional to 11,292,429.11, 16,929,121.70 and 4,897,865.48 is: 7,342,668.26
Step by Step Solution
- Step 1: Write the proportion equation
11,292,429.11 : 16,929,121.70 = 4,897,865.48 : x - Step 2: Convert to fraction form
11,292,429.11/16,929,121.70 = 4,897,865.48/x - Step 3: Cross multiply
11,292,429.11x = 16,929,121.70 × 4,897,865.48 - Step 4: Simplify right side
11,292,429.11x = 82,916,560,781,148.92 - Step 5: Solve for x
x = 82,916,560,781,148.92/11,292,429.11 - Step 6: Final answer
x = 7,342,668.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.