Finding the Fourth Proportional to 11,639,707.38, 16,062,800.85 and 6,747,765.66
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Solution
The fourth proportional to 11,639,707.38, 16,062,800.85 and 6,747,765.66 is: 9,311,919.32
Step by Step Solution
- Step 1: Write the proportion equation
11,639,707.38 : 16,062,800.85 = 6,747,765.66 : x - Step 2: Convert to fraction form
11,639,707.38/16,062,800.85 = 6,747,765.66/x - Step 3: Cross multiply
11,639,707.38x = 16,062,800.85 × 6,747,765.66 - Step 4: Simplify right side
11,639,707.38x = 108,388,015,979,048.81 - Step 5: Solve for x
x = 108,388,015,979,048.81/11,639,707.38 - Step 6: Final answer
x = 9,311,919.32
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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.