Finding the Fourth Proportional to 8,245,724.97, 12,368,579.24 and 5,649,471.66
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Solution
The fourth proportional to 8,245,724.97, 12,368,579.24 and 5,649,471.66 is: 8,474,201.86
Step by Step Solution
- Step 1: Write the proportion equation
8,245,724.97 : 12,368,579.24 = 5,649,471.66 : x - Step 2: Convert to fraction form
8,245,724.97/12,368,579.24 = 5,649,471.66/x - Step 3: Cross multiply
8,245,724.97x = 12,368,579.24 × 5,649,471.66 - Step 4: Simplify right side
8,245,724.97x = 69,875,937,862,596.98 - Step 5: Solve for x
x = 69,875,937,862,596.98/8,245,724.97 - Step 6: Final answer
x = 8,474,201.86
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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.