Finding the Fourth Proportional to 22,248,372.09, 30,701,265.01 and 12,324,582.80
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Solution
The fourth proportional to 22,248,372.09, 30,701,265.01 and 12,324,582.80 is: 17,007,099.72
Step by Step Solution
- Step 1: Write the proportion equation
22,248,372.09 : 30,701,265.01 = 12,324,582.80 : x - Step 2: Convert to fraction form
22,248,372.09/30,701,265.01 = 12,324,582.80/x - Step 3: Cross multiply
22,248,372.09x = 30,701,265.01 × 12,324,582.80 - Step 4: Simplify right side
22,248,372.09x = 378,380,282,680,487.88 - Step 5: Solve for x
x = 378,380,282,680,487.88/22,248,372.09 - Step 6: Final answer
x = 17,007,099.72
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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.