Finding the Fourth Proportional to 16,080,142.53, 22,190,579.82 and 8,737,958.21
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Solution
The fourth proportional to 16,080,142.53, 22,190,579.82 and 8,737,958.21 is: 12,058,373.15
Step by Step Solution
- Step 1: Write the proportion equation
16,080,142.53 : 22,190,579.82 = 8,737,958.21 : x - Step 2: Convert to fraction form
16,080,142.53/22,190,579.82 = 8,737,958.21/x - Step 3: Cross multiply
16,080,142.53x = 22,190,579.82 × 8,737,958.21 - Step 4: Simplify right side
16,080,142.53x = 193,900,359,011,876.44 - Step 5: Solve for x
x = 193,900,359,011,876.44/16,080,142.53 - Step 6: Final answer
x = 12,058,373.15
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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.