Finding the Fourth Proportional to 15,046,492.02, 20,764,163.07 and 8,170,972.26
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Solution
The fourth proportional to 15,046,492.02, 20,764,163.07 and 8,170,972.26 is: 11,275,943.94
Step by Step Solution
- Step 1: Write the proportion equation
15,046,492.02 : 20,764,163.07 = 8,170,972.26 : x - Step 2: Convert to fraction form
15,046,492.02/20,764,163.07 = 8,170,972.26/x - Step 3: Cross multiply
15,046,492.02x = 20,764,163.07 × 8,170,972.26 - Step 4: Simplify right side
15,046,492.02x = 169,663,400,447,086.44 - Step 5: Solve for x
x = 169,663,400,447,086.44/15,046,492.02 - Step 6: Final answer
x = 11,275,943.94
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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.