Finding the Fourth Proportional to 8,069,581.65, 12,105,099.31 and 2,604,805.99
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Solution
The fourth proportional to 8,069,581.65, 12,105,099.31 and 2,604,805.99 is: 3,907,443.60
Step by Step Solution
- Step 1: Write the proportion equation
8,069,581.65 : 12,105,099.31 = 2,604,805.99 : x - Step 2: Convert to fraction form
8,069,581.65/12,105,099.31 = 2,604,805.99/x - Step 3: Cross multiply
8,069,581.65x = 12,105,099.31 × 2,604,805.99 - Step 4: Simplify right side
8,069,581.65x = 31,531,435,192,232.87 - Step 5: Solve for x
x = 31,531,435,192,232.87/8,069,581.65 - Step 6: Final answer
x = 3,907,443.60
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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.