Finding the Fourth Proportional to 16,612,461.80, 22,922,456.42 and 9,270,277.42
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Solution
The fourth proportional to 16,612,461.80, 22,922,456.42 and 9,270,277.42 is: 12,791,453.35
Step by Step Solution
- Step 1: Write the proportion equation
16,612,461.80 : 22,922,456.42 = 9,270,277.42 : x - Step 2: Convert to fraction form
16,612,461.80/22,922,456.42 = 9,270,277.42/x - Step 3: Cross multiply
16,612,461.80x = 22,922,456.42 × 9,270,277.42 - Step 4: Simplify right side
16,612,461.80x = 212,497,530,161,260.06 - Step 5: Solve for x
x = 212,497,530,161,260.06/16,612,461.80 - Step 6: Final answer
x = 12,791,453.35
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1.5x scale
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.