Finding the Fourth Proportional to 22,248,371.09, 30,701,263.64 and 12,324,581.80
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Solution
The fourth proportional to 22,248,371.09, 30,701,263.64 and 12,324,581.80 is: 17,007,098.33
Step by Step Solution
- Step 1: Write the proportion equation
22,248,371.09 : 30,701,263.64 = 12,324,581.80 : x - Step 2: Convert to fraction form
22,248,371.09/30,701,263.64 = 12,324,581.80/x - Step 3: Cross multiply
22,248,371.09x = 30,701,263.64 × 12,324,581.80 - Step 4: Simplify right side
22,248,371.09x = 378,380,234,956,169.69 - Step 5: Solve for x
x = 378,380,234,956,169.69/22,248,371.09 - Step 6: Final answer
x = 17,007,098.33
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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.