Finding the Fourth Proportional to 8,693,872.45, 13,040,808.68 and 5,460,611.65
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Solution
The fourth proportional to 8,693,872.45, 13,040,808.68 and 5,460,611.65 is: 8,190,917.48
Step by Step Solution
- Step 1: Write the proportion equation
8,693,872.45 : 13,040,808.68 = 5,460,611.65 : x - Step 2: Convert to fraction form
8,693,872.45/13,040,808.68 = 5,460,611.65/x - Step 3: Cross multiply
8,693,872.45x = 13,040,808.68 × 5,460,611.65 - Step 4: Simplify right side
8,693,872.45x = 71,210,791,776,126.08 - Step 5: Solve for x
x = 71,210,791,776,126.08/8,693,872.45 - Step 6: Final answer
x = 8,190,917.48
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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.