Finding the Fourth Proportional to 16,470,120.25, 22,728,765.49 and 9,129,056.30
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Solution
The fourth proportional to 16,470,120.25, 22,728,765.49 and 9,129,056.30 is: 12,598,097.45
Step by Step Solution
- Step 1: Write the proportion equation
16,470,120.25 : 22,728,765.49 = 9,129,056.30 : x - Step 2: Convert to fraction form
16,470,120.25/22,728,765.49 = 9,129,056.30/x - Step 3: Cross multiply
16,470,120.25x = 22,728,765.49 × 9,129,056.30 - Step 4: Simplify right side
16,470,120.25x = 207,492,179,816,391.25 - Step 5: Solve for x
x = 207,492,179,816,391.25/16,470,120.25 - Step 6: Final answer
x = 12,598,097.45
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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.