Finding the Fourth Proportional to 31,268,330.14, 43,125,135.20 and 27,488,310.00
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Solution
The fourth proportional to 31,268,330.14, 43,125,135.20 and 27,488,310.00 is: 37,911,749.04
Step by Step Solution
- Step 1: Write the proportion equation
31,268,330.14 : 43,125,135.20 = 27,488,310.00 : x - Step 2: Convert to fraction form
31,268,330.14/43,125,135.20 = 27,488,310.00/x - Step 3: Cross multiply
31,268,330.14x = 43,125,135.20 × 27,488,310.00 - Step 4: Simplify right side
31,268,330.14x = 1,185,437,085,293,335.75 - Step 5: Solve for x
x = 1,185,437,085,293,335.75/31,268,330.14 - Step 6: Final answer
x = 37,911,749.04
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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.