Finding the Fourth Proportional to 54,318,729.60, 81,470,221.20 and 15,976,245.60
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Solution
The fourth proportional to 54,318,729.60, 81,470,221.20 and 15,976,245.60 is: 23,962,052.73
Step by Step Solution
- Step 1: Write the proportion equation
54,318,729.60 : 81,470,221.20 = 15,976,245.60 : x - Step 2: Convert to fraction form
54,318,729.60/81,470,221.20 = 15,976,245.60/x - Step 3: Cross multiply
54,318,729.60x = 81,470,221.20 × 15,976,245.60 - Step 4: Simplify right side
54,318,729.60x = 1,301,588,262,977,526.75 - Step 5: Solve for x
x = 1,301,588,262,977,526.75/54,318,729.60 - Step 6: Final answer
x = 23,962,052.73
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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.