Finding the Fourth Proportional to 11,235,102.26, 15,520,313.49 and 8,940,326.90
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Solution
The fourth proportional to 11,235,102.26, 15,520,313.49 and 8,940,326.90 is: 12,350,281.55
Step by Step Solution
- Step 1: Write the proportion equation
11,235,102.26 : 15,520,313.49 = 8,940,326.90 : x - Step 2: Convert to fraction form
11,235,102.26/15,520,313.49 = 8,940,326.90/x - Step 3: Cross multiply
11,235,102.26x = 15,520,313.49 × 8,940,326.90 - Step 4: Simplify right side
11,235,102.26x = 138,756,676,191,079.89 - Step 5: Solve for x
x = 138,756,676,191,079.89/11,235,102.26 - Step 6: Final answer
x = 12,350,281.55
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1.5x scale
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.