Finding the Fourth Proportional to 8,069,582.65, 12,105,100.81 and 2,604,806.99
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Solution
The fourth proportional to 8,069,582.65, 12,105,100.81 and 2,604,806.99 is: 3,907,445.10
Step by Step Solution
- Step 1: Write the proportion equation
8,069,582.65 : 12,105,100.81 = 2,604,806.99 : x - Step 2: Convert to fraction form
8,069,582.65/12,105,100.81 = 2,604,806.99/x - Step 3: Cross multiply
8,069,582.65x = 12,105,100.81 × 2,604,806.99 - Step 4: Simplify right side
8,069,582.65x = 31,531,451,204,542.66 - Step 5: Solve for x
x = 31,531,451,204,542.66/8,069,582.65 - Step 6: Final answer
x = 3,907,445.10
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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.