Finding the Fourth Proportional to 21,624,849.92, 29,842,371.98 and 11,701,732.70
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Solution
The fourth proportional to 21,624,849.92, 29,842,371.98 and 11,701,732.70 is: 16,148,433.92
Step by Step Solution
- Step 1: Write the proportion equation
21,624,849.92 : 29,842,371.98 = 11,701,732.70 : x - Step 2: Convert to fraction form
21,624,849.92/29,842,371.98 = 11,701,732.70/x - Step 3: Cross multiply
21,624,849.92x = 29,842,371.98 × 11,701,732.70 - Step 4: Simplify right side
21,624,849.92x = 349,207,460,043,929.75 - Step 5: Solve for x
x = 349,207,460,043,929.75/21,624,849.92 - Step 6: Final answer
x = 16,148,433.92
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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.