Finding the Fourth Proportional to 7,554,875.18, 11,328,157.44 and 5,161,422.38
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Solution
The fourth proportional to 7,554,875.18, 11,328,157.44 and 5,161,422.38 is: 7,739,294.68
Step by Step Solution
- Step 1: Write the proportion equation
7,554,875.18 : 11,328,157.44 = 5,161,422.38 : x - Step 2: Convert to fraction form
7,554,875.18/11,328,157.44 = 5,161,422.38/x - Step 3: Cross multiply
7,554,875.18x = 11,328,157.44 × 5,161,422.38 - Step 4: Simplify right side
7,554,875.18x = 58,469,405,278,338.72 - Step 5: Solve for x
x = 58,469,405,278,338.72/7,554,875.18 - Step 6: Final answer
x = 7,739,294.68
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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.