Finding the Fourth Proportional to 18,480,062.32, 27,700,545.83 and 6,960,545.44
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Solution
The fourth proportional to 18,480,062.32, 27,700,545.83 and 6,960,545.44 is: 10,433,455.50
Step by Step Solution
- Step 1: Write the proportion equation
18,480,062.32 : 27,700,545.83 = 6,960,545.44 : x - Step 2: Convert to fraction form
18,480,062.32/27,700,545.83 = 6,960,545.44/x - Step 3: Cross multiply
18,480,062.32x = 27,700,545.83 × 6,960,545.44 - Step 4: Simplify right side
18,480,062.32x = 192,810,907,858,463.41 - Step 5: Solve for x
x = 192,810,907,858,463.41/18,480,062.32 - Step 6: Final answer
x = 10,433,455.50
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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.