Finding the Fourth Proportional to 28,520,203.26, 42,777,272.17 and 8,049,416.70
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Solution
The fourth proportional to 28,520,203.26, 42,777,272.17 and 8,049,416.70 is: 12,073,269.11
Step by Step Solution
- Step 1: Write the proportion equation
28,520,203.26 : 42,777,272.17 = 8,049,416.70 : x - Step 2: Convert to fraction form
28,520,203.26/42,777,272.17 = 8,049,416.70/x - Step 3: Cross multiply
28,520,203.26x = 42,777,272.17 × 8,049,416.70 - Step 4: Simplify right side
28,520,203.26x = 344,332,088,985,643.25 - Step 5: Solve for x
x = 344,332,088,985,643.25/28,520,203.26 - Step 6: Final answer
x = 12,073,269.11
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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.