Finding the Fourth Proportional to 18,382,446.90, 27,573,670.35 and 5,602,931.10
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Solution
The fourth proportional to 18,382,446.90, 27,573,670.35 and 5,602,931.10 is: 8,404,396.65
Step by Step Solution
- Step 1: Write the proportion equation
18,382,446.90 : 27,573,670.35 = 5,602,931.10 : x - Step 2: Convert to fraction form
18,382,446.90/27,573,670.35 = 5,602,931.10/x - Step 3: Cross multiply
18,382,446.90x = 27,573,670.35 × 5,602,931.10 - Step 4: Simplify right side
18,382,446.90x = 154,493,375,145,162.88 - Step 5: Solve for x
x = 154,493,375,145,162.88/18,382,446.90 - Step 6: Final answer
x = 8,404,396.65
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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.