Finding the Fourth Proportional to 7,486,228.80, 11,233,231.20 and 3,497,140.80
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Solution
The fourth proportional to 7,486,228.80, 11,233,231.20 and 3,497,140.80 is: 5,247,527.45
Step by Step Solution
- Step 1: Write the proportion equation
7,486,228.80 : 11,233,231.20 = 3,497,140.80 : x - Step 2: Convert to fraction form
7,486,228.80/11,233,231.20 = 3,497,140.80/x - Step 3: Cross multiply
7,486,228.80x = 11,233,231.20 × 3,497,140.80 - Step 4: Simplify right side
7,486,228.80x = 39,284,191,145,352.95 - Step 5: Solve for x
x = 39,284,191,145,352.95/7,486,228.80 - Step 6: Final answer
x = 5,247,527.45
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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.