Finding the Fourth Proportional to 25,364,120.24, 38,038,187.88 and 8,320,821.68
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Solution
The fourth proportional to 25,364,120.24, 38,038,187.88 and 8,320,821.68 is: 12,478,610.55
Step by Step Solution
- Step 1: Write the proportion equation
25,364,120.24 : 38,038,187.88 = 8,320,821.68 : x - Step 2: Convert to fraction form
25,364,120.24/38,038,187.88 = 8,320,821.68/x - Step 3: Cross multiply
25,364,120.24x = 38,038,187.88 × 8,320,821.68 - Step 4: Simplify right side
25,364,120.24x = 316,508,978,379,817.25 - Step 5: Solve for x
x = 316,508,978,379,817.25/25,364,120.24 - Step 6: Final answer
x = 12,478,610.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.