Finding the Fourth Proportional to 18,226,776.18, 27,344,311.47 and 9,702,621.30
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Solution
The fourth proportional to 18,226,776.18, 27,344,311.47 and 9,702,621.30 is: 14,556,139.62
Step by Step Solution
- Step 1: Write the proportion equation
18,226,776.18 : 27,344,311.47 = 9,702,621.30 : x - Step 2: Convert to fraction form
18,226,776.18/27,344,311.47 = 9,702,621.30/x - Step 3: Cross multiply
18,226,776.18x = 27,344,311.47 × 9,702,621.30 - Step 4: Simplify right side
18,226,776.18x = 265,311,498,902,656.31 - Step 5: Solve for x
x = 265,311,498,902,656.31/18,226,776.18 - Step 6: Final answer
x = 14,556,139.62
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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.