Finding the Fourth Proportional to 20,828,274.08, 31,236,377.72 and 6,254,605.44
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Solution
The fourth proportional to 20,828,274.08, 31,236,377.72 and 6,254,605.44 is: 9,380,096.37
Step by Step Solution
- Step 1: Write the proportion equation
20,828,274.08 : 31,236,377.72 = 6,254,605.44 : x - Step 2: Convert to fraction form
20,828,274.08/31,236,377.72 = 6,254,605.44/x - Step 3: Cross multiply
20,828,274.08x = 31,236,377.72 × 6,254,605.44 - Step 4: Simplify right side
20,828,274.08x = 195,371,217,982,133.78 - Step 5: Solve for x
x = 195,371,217,982,133.78/20,828,274.08 - Step 6: Final answer
x = 9,380,096.37
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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.