Finding the Fourth Proportional to 8,084,376.41, 12,128,475.83 and 2,619,462.08
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Solution
The fourth proportional to 8,084,376.41, 12,128,475.83 and 2,619,462.08 is: 3,929,812.39
Step by Step Solution
- Step 1: Write the proportion equation
8,084,376.41 : 12,128,475.83 = 2,619,462.08 : x - Step 2: Convert to fraction form
8,084,376.41/12,128,475.83 = 2,619,462.08/x - Step 3: Cross multiply
8,084,376.41x = 12,128,475.83 × 2,619,462.08 - Step 4: Simplify right side
8,084,376.41x = 31,770,082,561,751.37 - Step 5: Solve for x
x = 31,770,082,561,751.37/8,084,376.41 - Step 6: Final answer
x = 3,929,812.39
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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.