Finding the Fourth Proportional to 10,861,352.40, 16,302,526.20 and 5,476,083.60
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Solution
The fourth proportional to 10,861,352.40, 16,302,526.20 and 5,476,083.60 is: 8,219,418.09
Step by Step Solution
- Step 1: Write the proportion equation
10,861,352.40 : 16,302,526.20 = 5,476,083.60 : x - Step 2: Convert to fraction form
10,861,352.40/16,302,526.20 = 5,476,083.60/x - Step 3: Cross multiply
10,861,352.40x = 16,302,526.20 × 5,476,083.60 - Step 4: Simplify right side
10,861,352.40x = 89,273,996,362,390.31 - Step 5: Solve for x
x = 89,273,996,362,390.31/10,861,352.40 - Step 6: Final answer
x = 8,219,418.09
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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.