Finding the Fourth Proportional to 10,247,489.60, 15,370,989.36 and 3,330,960.30
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Solution
The fourth proportional to 10,247,489.60, 15,370,989.36 and 3,330,960.30 is: 4,996,360.80
Step by Step Solution
- Step 1: Write the proportion equation
10,247,489.60 : 15,370,989.36 = 3,330,960.30 : x - Step 2: Convert to fraction form
10,247,489.60/15,370,989.36 = 3,330,960.30/x - Step 3: Cross multiply
10,247,489.60x = 15,370,989.36 × 3,330,960.30 - Step 4: Simplify right side
10,247,489.60x = 51,200,155,329,882.41 - Step 5: Solve for x
x = 51,200,155,329,882.41/10,247,489.60 - Step 6: Final answer
x = 4,996,360.80
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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.