Finding the Fourth Proportional to 11,425,724.20, 15,767,529.34 and 6,198,732.10
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Solution
The fourth proportional to 11,425,724.20, 15,767,529.34 and 6,198,732.10 is: 8,554,266.54
Step by Step Solution
- Step 1: Write the proportion equation
11,425,724.20 : 15,767,529.34 = 6,198,732.10 : x - Step 2: Convert to fraction form
11,425,724.20/15,767,529.34 = 6,198,732.10/x - Step 3: Cross multiply
11,425,724.20x = 15,767,529.34 × 6,198,732.10 - Step 4: Simplify right side
11,425,724.20x = 97,738,690,257,549.81 - Step 5: Solve for x
x = 97,738,690,257,549.81/11,425,724.20 - Step 6: Final answer
x = 8,554,266.54
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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.