Finding the Fourth Proportional to 8,146,379.99, 12,218,226.81 and 2,681,545.40
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Solution
The fourth proportional to 8,146,379.99, 12,218,226.81 and 2,681,545.40 is: 4,021,875.96
Step by Step Solution
- Step 1: Write the proportion equation
8,146,379.99 : 12,218,226.81 = 2,681,545.40 : x - Step 2: Convert to fraction form
8,146,379.99/12,218,226.81 = 2,681,545.40/x - Step 3: Cross multiply
8,146,379.99x = 12,218,226.81 × 2,681,545.40 - Step 4: Simplify right side
8,146,379.99x = 32,763,729,873,183.60 - Step 5: Solve for x
x = 32,763,729,873,183.60/8,146,379.99 - Step 6: Final answer
x = 4,021,875.96
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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.