Finding the Fourth Proportional to 11,588,811.80, 17,383,217.70 and 5,616,843.80
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Solution
The fourth proportional to 11,588,811.80, 17,383,217.70 and 5,616,843.80 is: 8,425,265.70
Step by Step Solution
- Step 1: Write the proportion equation
11,588,811.80 : 17,383,217.70 = 5,616,843.80 : x - Step 2: Convert to fraction form
11,588,811.80/17,383,217.70 = 5,616,843.80/x - Step 3: Cross multiply
11,588,811.80x = 17,383,217.70 × 5,616,843.80 - Step 4: Simplify right side
11,588,811.80x = 97,638,818,562,295.25 - Step 5: Solve for x
x = 97,638,818,562,295.25/11,588,811.80 - Step 6: Final answer
x = 8,425,265.70
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1.5x scale
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.