Finding the Fourth Proportional to 8,993,593.08, 12,415,211.28 and 5,734,788.12
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Solution
The fourth proportional to 8,993,593.08, 12,415,211.28 and 5,734,788.12 is: 7,916,591.90
Step by Step Solution
- Step 1: Write the proportion equation
8,993,593.08 : 12,415,211.28 = 5,734,788.12 : x - Step 2: Convert to fraction form
8,993,593.08/12,415,211.28 = 5,734,788.12/x - Step 3: Cross multiply
8,993,593.08x = 12,415,211.28 × 5,734,788.12 - Step 4: Simplify right side
8,993,593.08x = 71,198,606,155,833.98 - Step 5: Solve for x
x = 71,198,606,155,833.98/8,993,593.08 - Step 6: Final answer
x = 7,916,591.90
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1.5x scale
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.