Finding the Fourth Proportional to 29,431,939.20, 44,163,655.20 and 12,394,334.40
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Solution
The fourth proportional to 29,431,939.20, 44,163,655.20 and 12,394,334.40 is: 18,598,132.70
Step by Step Solution
- Step 1: Write the proportion equation
29,431,939.20 : 44,163,655.20 = 12,394,334.40 : x - Step 2: Convert to fraction form
29,431,939.20/44,163,655.20 = 12,394,334.40/x - Step 3: Cross multiply
29,431,939.20x = 44,163,655.20 × 12,394,334.40 - Step 4: Simplify right side
29,431,939.20x = 547,379,110,875,098.94 - Step 5: Solve for x
x = 547,379,110,875,098.94/29,431,939.20 - Step 6: Final answer
x = 18,598,132.70
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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.