Finding the Fourth Proportional to 34,324,354.23, 47,367,956.44 and 18,643,684.87
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Solution
The fourth proportional to 34,324,354.23, 47,367,956.44 and 18,643,684.87 is: 25,728,473.92
Step by Step Solution
- Step 1: Write the proportion equation
34,324,354.23 : 47,367,956.44 = 18,643,684.87 : x - Step 2: Convert to fraction form
34,324,354.23/47,367,956.44 = 18,643,684.87/x - Step 3: Cross multiply
34,324,354.23x = 47,367,956.44 × 18,643,684.87 - Step 4: Simplify right side
34,324,354.23x = 883,113,252,514,446.25 - Step 5: Solve for x
x = 883,113,252,514,446.25/34,324,354.23 - Step 6: Final answer
x = 25,728,473.92
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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.