Finding the Fourth Proportional to 7,524,281.70, 11,286,422.55 and 2,732,127.30
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Solution
The fourth proportional to 7,524,281.70, 11,286,422.55 and 2,732,127.30 is: 4,098,190.95
Step by Step Solution
- Step 1: Write the proportion equation
7,524,281.70 : 11,286,422.55 = 2,732,127.30 : x - Step 2: Convert to fraction form
7,524,281.70/11,286,422.55 = 2,732,127.30/x - Step 3: Cross multiply
7,524,281.70x = 11,286,422.55 × 2,732,127.30 - Step 4: Simplify right side
7,524,281.70x = 30,835,943,168,190.61 - Step 5: Solve for x
x = 30,835,943,168,190.61/7,524,281.70 - Step 6: Final answer
x = 4,098,190.95
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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.