Finding the Fourth Proportional to 8,276,537.40, 12,414,806.10 and 2,292,905.40
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Solution
The fourth proportional to 8,276,537.40, 12,414,806.10 and 2,292,905.40 is: 3,439,358.10
Step by Step Solution
- Step 1: Write the proportion equation
8,276,537.40 : 12,414,806.10 = 2,292,905.40 : x - Step 2: Convert to fraction form
8,276,537.40/12,414,806.10 = 2,292,905.40/x - Step 3: Cross multiply
8,276,537.40x = 12,414,806.10 × 2,292,905.40 - Step 4: Simplify right side
8,276,537.40x = 28,465,975,946,642.94 - Step 5: Solve for x
x = 28,465,975,946,642.94/8,276,537.40 - Step 6: Final answer
x = 3,439,358.10
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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.