Finding the Fourth Proportional to 8,209,015.88, 12,315,516.83 and 2,529,239.99
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Solution
The fourth proportional to 8,209,015.88, 12,315,516.83 and 2,529,239.99 is: 3,794,474.04
Step by Step Solution
- Step 1: Write the proportion equation
8,209,015.88 : 12,315,516.83 = 2,529,239.99 : x - Step 2: Convert to fraction form
8,209,015.88/12,315,516.83 = 2,529,239.99/x - Step 3: Cross multiply
8,209,015.88x = 12,315,516.83 × 2,529,239.99 - Step 4: Simplify right side
8,209,015.88x = 31,148,897,599,214.89 - Step 5: Solve for x
x = 31,148,897,599,214.89/8,209,015.88 - Step 6: Final answer
x = 3,794,474.04
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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.