Finding the Fourth Proportional to 40,951,181.91, 56,512,284.60 and 22,616,073.75
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Solution
The fourth proportional to 40,951,181.91, 56,512,284.60 and 22,616,073.75 is: 31,209,990.45
Step by Step Solution
- Step 1: Write the proportion equation
40,951,181.91 : 56,512,284.60 = 22,616,073.75 : x - Step 2: Convert to fraction form
40,951,181.91/56,512,284.60 = 22,616,073.75/x - Step 3: Cross multiply
40,951,181.91x = 56,512,284.60 × 22,616,073.75 - Step 4: Simplify right side
40,951,181.91x = 1,278,085,996,294,589.25 - Step 5: Solve for x
x = 1,278,085,996,294,589.25/40,951,181.91 - Step 6: Final answer
x = 31,209,990.45
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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.