Finding the Fourth Proportional to 27,586,239.39, 38,067,044.63 and 16,422,140.21
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Solution
The fourth proportional to 27,586,239.39, 38,067,044.63 and 16,422,140.21 is: 22,661,383.28
Step by Step Solution
- Step 1: Write the proportion equation
27,586,239.39 : 38,067,044.63 = 16,422,140.21 : x - Step 2: Convert to fraction form
27,586,239.39/38,067,044.63 = 16,422,140.21/x - Step 3: Cross multiply
27,586,239.39x = 38,067,044.63 × 16,422,140.21 - Step 4: Simplify right side
27,586,239.39x = 625,142,344,021,741.62 - Step 5: Solve for x
x = 625,142,344,021,741.62/27,586,239.39 - Step 6: Final answer
x = 22,661,383.28
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1.5x scale
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.