Finding the Fourth Proportional to 7,576,861.18, 11,365,390.26 and 2,528,171.68
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Solution
The fourth proportional to 7,576,861.18, 11,365,390.26 and 2,528,171.68 is: 3,792,290.38
Step by Step Solution
- Step 1: Write the proportion equation
7,576,861.18 : 11,365,390.26 = 2,528,171.68 : x - Step 2: Convert to fraction form
7,576,861.18/11,365,390.26 = 2,528,171.68/x - Step 3: Cross multiply
7,576,861.18x = 11,365,390.26 × 2,528,171.68 - Step 4: Simplify right side
7,576,861.18x = 28,733,657,787,479.84 - Step 5: Solve for x
x = 28,733,657,787,479.84/7,576,861.18 - Step 6: Final answer
x = 3,792,290.38
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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.