Finding the Fourth Proportional to 11,156,772.70, 16,735,159.05 and 7,755,550.30
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Solution
The fourth proportional to 11,156,772.70, 16,735,159.05 and 7,755,550.30 is: 11,633,325.45
Step by Step Solution
- Step 1: Write the proportion equation
11,156,772.70 : 16,735,159.05 = 7,755,550.30 : x - Step 2: Convert to fraction form
11,156,772.70/16,735,159.05 = 7,755,550.30/x - Step 3: Cross multiply
11,156,772.70x = 16,735,159.05 × 7,755,550.30 - Step 4: Simplify right side
11,156,772.70x = 129,790,367,790,775.22 - Step 5: Solve for x
x = 129,790,367,790,775.22/11,156,772.70 - Step 6: Final answer
x = 11,633,325.45
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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.