Finding the Fourth Proportional to 8,351,998.80, 12,527,998.20 and 6,859,006.80
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Solution
The fourth proportional to 8,351,998.80, 12,527,998.20 and 6,859,006.80 is: 10,288,510.20
Step by Step Solution
- Step 1: Write the proportion equation
8,351,998.80 : 12,527,998.20 = 6,859,006.80 : x - Step 2: Convert to fraction form
8,351,998.80/12,527,998.20 = 6,859,006.80/x - Step 3: Cross multiply
8,351,998.80x = 12,527,998.20 × 6,859,006.80 - Step 4: Simplify right side
8,351,998.80x = 85,929,624,844,187.75 - Step 5: Solve for x
x = 85,929,624,844,187.75/8,351,998.80 - Step 6: Final answer
x = 10,288,510.20
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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.