Finding the Fourth Proportional to 38,774,910.76, 53,512,453.41 and 21,374,351.44
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Solution
The fourth proportional to 38,774,910.76, 53,512,453.41 and 21,374,351.44 is: 29,498,300.92
Step by Step Solution
- Step 1: Write the proportion equation
38,774,910.76 : 53,512,453.41 = 21,374,351.44 : x - Step 2: Convert to fraction form
38,774,910.76/53,512,453.41 = 21,374,351.44/x - Step 3: Cross multiply
38,774,910.76x = 53,512,453.41 × 21,374,351.44 - Step 4: Simplify right side
38,774,910.76x = 1,143,793,985,601,966.50 - Step 5: Solve for x
x = 1,143,793,985,601,966.50/38,774,910.76 - Step 6: Final answer
x = 29,498,300.92
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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.