Finding the Fourth Proportional to 9,013,599.92, 13,520,399.85 and 2,190,138.05
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Solution
The fourth proportional to 9,013,599.92, 13,520,399.85 and 2,190,138.05 is: 3,285,207.06
Step by Step Solution
- Step 1: Write the proportion equation
9,013,599.92 : 13,520,399.85 = 2,190,138.05 : x - Step 2: Convert to fraction form
9,013,599.92/13,520,399.85 = 2,190,138.05/x - Step 3: Cross multiply
9,013,599.92x = 13,520,399.85 × 2,190,138.05 - Step 4: Simplify right side
9,013,599.92x = 29,611,542,095,097.29 - Step 5: Solve for x
x = 29,611,542,095,097.29/9,013,599.92 - Step 6: Final answer
x = 3,285,207.06
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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.