Finding the Fourth Proportional to 8,993,340.09, 12,414,862.71 and 5,734,535.13
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Solution
The fourth proportional to 8,993,340.09, 12,414,862.71 and 5,734,535.13 is: 7,916,243.09
Step by Step Solution
- Step 1: Write the proportion equation
8,993,340.09 : 12,414,862.71 = 5,734,535.13 : x - Step 2: Convert to fraction form
8,993,340.09/12,414,862.71 = 5,734,535.13/x - Step 3: Cross multiply
8,993,340.09x = 12,414,862.71 × 5,734,535.13 - Step 4: Simplify right side
8,993,340.09x = 71,193,466,344,622 - Step 5: Solve for x
x = 71,193,466,344,622/8,993,340.09 - Step 6: Final answer
x = 7,916,243.09
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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.