Finding the Fourth Proportional to 37,893,446.24, 52,292,918.96 and 20,489,749.80
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Solution
The fourth proportional to 37,893,446.24, 52,292,918.96 and 20,489,749.80 is: 28,275,834.80
Step by Step Solution
- Step 1: Write the proportion equation
37,893,446.24 : 52,292,918.96 = 20,489,749.80 : x - Step 2: Convert to fraction form
37,893,446.24/52,292,918.96 = 20,489,749.80/x - Step 3: Cross multiply
37,893,446.24x = 52,292,918.96 × 20,489,749.80 - Step 4: Simplify right side
37,893,446.24x = 1,071,468,825,802,076.25 - Step 5: Solve for x
x = 1,071,468,825,802,076.25/37,893,446.24 - Step 6: Final answer
x = 28,275,834.80
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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.