Finding the Fourth Proportional to 38,471,835.60, 57,791,734.20 and 27,134,427.60
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Solution
The fourth proportional to 38,471,835.60, 57,791,734.20 and 27,134,427.60 is: 40,760,873.59
Step by Step Solution
- Step 1: Write the proportion equation
38,471,835.60 : 57,791,734.20 = 27,134,427.60 : x - Step 2: Convert to fraction form
38,471,835.60/57,791,734.20 = 27,134,427.60/x - Step 3: Cross multiply
38,471,835.60x = 57,791,734.20 × 27,134,427.60 - Step 4: Simplify right side
38,471,835.60x = 1,568,145,627,528,344 - Step 5: Solve for x
x = 1,568,145,627,528,344/38,471,835.60 - Step 6: Final answer
x = 40,760,873.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.