Finding the Fourth Proportional to 7,612,221.12, 11,418,792.96 and 3,063,252.24
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Solution
The fourth proportional to 7,612,221.12, 11,418,792.96 and 3,063,252.24 is: 4,595,063.98
Step by Step Solution
- Step 1: Write the proportion equation
7,612,221.12 : 11,418,792.96 = 3,063,252.24 : x - Step 2: Convert to fraction form
7,612,221.12/11,418,792.96 = 3,063,252.24/x - Step 3: Cross multiply
7,612,221.12x = 11,418,792.96 × 3,063,252.24 - Step 4: Simplify right side
7,612,221.12x = 34,978,643,112,816.23 - Step 5: Solve for x
x = 34,978,643,112,816.23/7,612,221.12 - Step 6: Final answer
x = 4,595,063.98
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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.