Finding the Fourth Proportional to 11,029,339.19, 16,512,060.77 and 8,308,346.10
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Solution
The fourth proportional to 11,029,339.19, 16,512,060.77 and 8,308,346.10 is: 12,438,452.87
Step by Step Solution
- Step 1: Write the proportion equation
11,029,339.19 : 16,512,060.77 = 8,308,346.10 : x - Step 2: Convert to fraction form
11,029,339.19/16,512,060.77 = 8,308,346.10/x - Step 3: Cross multiply
11,029,339.19x = 16,512,060.77 × 8,308,346.10 - Step 4: Simplify right side
11,029,339.19x = 137,187,915,701,392.48 - Step 5: Solve for x
x = 137,187,915,701,392.48/11,029,339.19 - Step 6: Final answer
x = 12,438,452.87
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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.