Finding the Fourth Proportional to 16,381,821.80, 24,572,732.70 and 4,414,557.80
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Solution
The fourth proportional to 16,381,821.80, 24,572,732.70 and 4,414,557.80 is: 6,621,836.70
Step by Step Solution
- Step 1: Write the proportion equation
16,381,821.80 : 24,572,732.70 = 4,414,557.80 : x - Step 2: Convert to fraction form
16,381,821.80/24,572,732.70 = 4,414,557.80/x - Step 3: Cross multiply
16,381,821.80x = 24,572,732.70 × 4,414,557.80 - Step 4: Simplify right side
16,381,821.80x = 108,477,748,808,100.05 - Step 5: Solve for x
x = 108,477,748,808,100.05/16,381,821.80 - Step 6: Final answer
x = 6,621,836.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.