Finding the Fourth Proportional to 11,509,775.46, 15,883,491.70 and 6,353,138.08
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Solution
The fourth proportional to 11,509,775.46, 15,883,491.70 and 6,353,138.08 is: 8,767,331.41
Step by Step Solution
- Step 1: Write the proportion equation
11,509,775.46 : 15,883,491.70 = 6,353,138.08 : x - Step 2: Convert to fraction form
11,509,775.46/15,883,491.70 = 6,353,138.08/x - Step 3: Cross multiply
11,509,775.46x = 15,883,491.70 × 6,353,138.08 - Step 4: Simplify right side
11,509,775.46x = 100,910,015,962,633.94 - Step 5: Solve for x
x = 100,910,015,962,633.94/11,509,775.46 - Step 6: Final answer
x = 8,767,331.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.