Finding the Fourth Proportional to 16,270,724.19, 22,453,942.40 and 8,928,493.10
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Solution
The fourth proportional to 16,270,724.19, 22,453,942.40 and 8,928,493.10 is: 12,321,508.70
Step by Step Solution
- Step 1: Write the proportion equation
16,270,724.19 : 22,453,942.40 = 8,928,493.10 : x - Step 2: Convert to fraction form
16,270,724.19/22,453,942.40 = 8,928,493.10/x - Step 3: Cross multiply
16,270,724.19x = 22,453,942.40 × 8,928,493.10 - Step 4: Simplify right side
16,270,724.19x = 200,479,869,629,285.28 - Step 5: Solve for x
x = 200,479,869,629,285.28/16,270,724.19 - Step 6: Final answer
x = 12,321,508.70
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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.