Finding the Fourth Proportional to 21,624,859.44, 29,842,385.09 and 11,701,742.18
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Solution
The fourth proportional to 21,624,859.44, 29,842,385.09 and 11,701,742.18 is: 16,148,446.98
Step by Step Solution
- Step 1: Write the proportion equation
21,624,859.44 : 29,842,385.09 = 11,701,742.18 : x - Step 2: Convert to fraction form
21,624,859.44/29,842,385.09 = 11,701,742.18/x - Step 3: Cross multiply
21,624,859.44x = 29,842,385.09 × 11,701,742.18 - Step 4: Simplify right side
21,624,859.44x = 349,207,896,151,735.50 - Step 5: Solve for x
x = 349,207,896,151,735.50/21,624,859.44 - Step 6: Final answer
x = 16,148,446.98
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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.