Finding the Fourth Proportional to 25,534,059.60, 38,336,518.80 and 15,968,121.60
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Solution
The fourth proportional to 25,534,059.60, 38,336,518.80 and 15,968,121.60 is: 23,974,338.73
Step by Step Solution
- Step 1: Write the proportion equation
25,534,059.60 : 38,336,518.80 = 15,968,121.60 : x - Step 2: Convert to fraction form
25,534,059.60/38,336,518.80 = 15,968,121.60/x - Step 3: Cross multiply
25,534,059.60x = 38,336,518.80 × 15,968,121.60 - Step 4: Simplify right side
25,534,059.60x = 612,162,193,919,086 - Step 5: Solve for x
x = 612,162,193,919,086/25,534,059.60 - Step 6: Final answer
x = 23,974,338.73
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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.