Finding the Fourth Proportional to 8,993,594.08, 12,415,212.66 and 5,734,789.12
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Solution
The fourth proportional to 8,993,594.08, 12,415,212.66 and 5,734,789.12 is: 7,916,593.28
Step by Step Solution
- Step 1: Write the proportion equation
8,993,594.08 : 12,415,212.66 = 5,734,789.12 : x - Step 2: Convert to fraction form
8,993,594.08/12,415,212.66 = 5,734,789.12/x - Step 3: Cross multiply
8,993,594.08x = 12,415,212.66 × 5,734,789.12 - Step 4: Simplify right side
8,993,594.08x = 71,198,626,485,054.27 - Step 5: Solve for x
x = 71,198,626,485,054.27/8,993,594.08 - Step 6: Final answer
x = 7,916,593.28
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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.