Finding the Fourth Proportional to 8,993,515.92, 13,490,448.84 and 3,310,815.12
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Solution
The fourth proportional to 8,993,515.92, 13,490,448.84 and 3,310,815.12 is: 4,966,287.09
Step by Step Solution
- Step 1: Write the proportion equation
8,993,515.92 : 13,490,448.84 = 3,310,815.12 : x - Step 2: Convert to fraction form
8,993,515.92/13,490,448.84 = 3,310,815.12/x - Step 3: Cross multiply
8,993,515.92x = 13,490,448.84 × 3,310,815.12 - Step 4: Simplify right side
8,993,515.92x = 44,664,381,995,058.46 - Step 5: Solve for x
x = 44,664,381,995,058.46/8,993,515.92 - Step 6: Final answer
x = 4,966,287.09
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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.