Finding the Fourth Proportional to 11,509,770.46, 15,883,484.79 and 6,353,133.07
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Solution
The fourth proportional to 11,509,770.46, 15,883,484.79 and 6,353,133.07 is: 8,767,324.50
Step by Step Solution
- Step 1: Write the proportion equation
11,509,770.46 : 15,883,484.79 = 6,353,133.07 : x - Step 2: Convert to fraction form
11,509,770.46/15,883,484.79 = 6,353,133.07/x - Step 3: Cross multiply
11,509,770.46x = 15,883,484.79 × 6,353,133.07 - Step 4: Simplify right side
11,509,770.46x = 100,909,892,486,191 - Step 5: Solve for x
x = 100,909,892,486,191/11,509,770.46 - Step 6: Final answer
x = 8,767,324.50
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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.