Finding the Fourth Proportional to 7,556,948.20, 11,335,422.30 and 4,869,562.60
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Solution
The fourth proportional to 7,556,948.20, 11,335,422.30 and 4,869,562.60 is: 7,304,343.90
Step by Step Solution
- Step 1: Write the proportion equation
7,556,948.20 : 11,335,422.30 = 4,869,562.60 : x - Step 2: Convert to fraction form
7,556,948.20/11,335,422.30 = 4,869,562.60/x - Step 3: Cross multiply
7,556,948.20x = 11,335,422.30 × 4,869,562.60 - Step 4: Simplify right side
7,556,948.20x = 55,198,548,487,285.98 - Step 5: Solve for x
x = 55,198,548,487,285.98/7,556,948.20 - Step 6: Final answer
x = 7,304,343.90
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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.