Finding the Fourth Proportional to 18,013,334.09, 24,839,821.97 and 15,408,461.76
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Solution
The fourth proportional to 18,013,334.09, 24,839,821.97 and 15,408,461.76 is: 21,247,784.84
Step by Step Solution
- Step 1: Write the proportion equation
18,013,334.09 : 24,839,821.97 = 15,408,461.76 : x - Step 2: Convert to fraction form
18,013,334.09/24,839,821.97 = 15,408,461.76/x - Step 3: Cross multiply
18,013,334.09x = 24,839,821.97 × 15,408,461.76 - Step 4: Simplify right side
18,013,334.09x = 382,743,446,872,910.56 - Step 5: Solve for x
x = 382,743,446,872,910.56/18,013,334.09 - Step 6: Final answer
x = 21,247,784.84
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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.