Finding the Fourth Proportional to 20,814,244.08, 31,252,057.74 and 11,610,198.92
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Solution
The fourth proportional to 20,814,244.08, 31,252,057.74 and 11,610,198.92 is: 17,432,418.19
Step by Step Solution
- Step 1: Write the proportion equation
20,814,244.08 : 31,252,057.74 = 11,610,198.92 : x - Step 2: Convert to fraction form
20,814,244.08/31,252,057.74 = 11,610,198.92/x - Step 3: Cross multiply
20,814,244.08x = 31,252,057.74 × 11,610,198.92 - Step 4: Simplify right side
20,814,244.08x = 362,842,607,020,725.62 - Step 5: Solve for x
x = 362,842,607,020,725.62/20,814,244.08 - Step 6: Final answer
x = 17,432,418.19
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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.