Finding the Fourth Proportional to 16,332,356.25, 22,539,246.81 and 8,889,658.70
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Solution
The fourth proportional to 16,332,356.25, 22,539,246.81 and 8,889,658.70 is: 12,268,052.96
Step by Step Solution
- Step 1: Write the proportion equation
16,332,356.25 : 22,539,246.81 = 8,889,658.70 : x - Step 2: Convert to fraction form
16,332,356.25/22,539,246.81 = 8,889,658.70/x - Step 3: Cross multiply
16,332,356.25x = 22,539,246.81 × 8,889,658.70 - Step 4: Simplify right side
16,332,356.25x = 200,366,211,381,192.94 - Step 5: Solve for x
x = 200,366,211,381,192.94/16,332,356.25 - Step 6: Final answer
x = 12,268,052.96
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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.