Finding the Fourth Proportional to 7,576,156.20, 11,364,234.30 and 2,787,282.30
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Solution
The fourth proportional to 7,576,156.20, 11,364,234.30 and 2,787,282.30 is: 4,180,923.45
Step by Step Solution
- Step 1: Write the proportion equation
7,576,156.20 : 11,364,234.30 = 2,787,282.30 : x - Step 2: Convert to fraction form
7,576,156.20/11,364,234.30 = 2,787,282.30/x - Step 3: Cross multiply
7,576,156.20x = 11,364,234.30 × 2,787,282.30 - Step 4: Simplify right side
7,576,156.20x = 31,675,329,117,442.89 - Step 5: Solve for x
x = 31,675,329,117,442.89/7,576,156.20 - Step 6: Final answer
x = 4,180,923.45
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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.