Finding the Fourth Proportional to 7,490,304.80, 11,216,449.20 and 4,120,704.80
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Solution
The fourth proportional to 7,490,304.80, 11,216,449.20 and 4,120,704.80 is: 6,170,600.17
Step by Step Solution
- Step 1: Write the proportion equation
7,490,304.80 : 11,216,449.20 = 4,120,704.80 : x - Step 2: Convert to fraction form
7,490,304.80/11,216,449.20 = 4,120,704.80/x - Step 3: Cross multiply
7,490,304.80x = 11,216,449.20 × 4,120,704.80 - Step 4: Simplify right side
7,490,304.80x = 46,219,676,057,396.16 - Step 5: Solve for x
x = 46,219,676,057,396.16/7,490,304.80 - Step 6: Final answer
x = 6,170,600.17
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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.