Finding the Fourth Proportional to 39,899,198.16, 55,059,793.74 and 22,495,392.36
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Solution
The fourth proportional to 39,899,198.16, 55,059,793.74 and 22,495,392.36 is: 31,043,021.43
Step by Step Solution
- Step 1: Write the proportion equation
39,899,198.16 : 55,059,793.74 = 22,495,392.36 : x - Step 2: Convert to fraction form
39,899,198.16/55,059,793.74 = 22,495,392.36/x - Step 3: Cross multiply
39,899,198.16x = 55,059,793.74 × 22,495,392.36 - Step 4: Simplify right side
39,899,198.16x = 1,238,591,663,441,971.75 - Step 5: Solve for x
x = 1,238,591,663,441,971.75/39,899,198.16 - Step 6: Final answer
x = 31,043,021.43
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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.