Finding the Fourth Proportional to 7,576,860.17, 11,365,388.76 and 2,528,170.67
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Solution
The fourth proportional to 7,576,860.17, 11,365,388.76 and 2,528,170.67 is: 3,792,288.87
Step by Step Solution
- Step 1: Write the proportion equation
7,576,860.17 : 11,365,388.76 = 2,528,170.67 : x - Step 2: Convert to fraction form
7,576,860.17/11,365,388.76 = 2,528,170.67/x - Step 3: Cross multiply
7,576,860.17x = 11,365,388.76 × 2,528,170.67 - Step 4: Simplify right side
7,576,860.17x = 28,733,642,516,179.67 - Step 5: Solve for x
x = 28,733,642,516,179.67/7,576,860.17 - Step 6: Final answer
x = 3,792,288.87
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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.