Finding the Fourth Proportional to 21,574,288.46, 29,772,516.92 and 11,651,170.32
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Solution
The fourth proportional to 21,574,288.46, 29,772,516.92 and 11,651,170.32 is: 16,078,614.42
Step by Step Solution
- Step 1: Write the proportion equation
21,574,288.46 : 29,772,516.92 = 11,651,170.32 : x - Step 2: Convert to fraction form
21,574,288.46/29,772,516.92 = 11,651,170.32/x - Step 3: Cross multiply
21,574,288.46x = 29,772,516.92 × 11,651,170.32 - Step 4: Simplify right side
21,574,288.46x = 346,884,665,490,001.88 - Step 5: Solve for x
x = 346,884,665,490,001.88/21,574,288.46 - Step 6: Final answer
x = 16,078,614.42
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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.