Finding the Fourth Proportional to 16,128,499.20, 24,136,761.60 and 14,784,806.40
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Solution
The fourth proportional to 16,128,499.20, 24,136,761.60 and 14,784,806.40 is: 22,125,886.79
Step by Step Solution
- Step 1: Write the proportion equation
16,128,499.20 : 24,136,761.60 = 14,784,806.40 : x - Step 2: Convert to fraction form
16,128,499.20/24,136,761.60 = 14,784,806.40/x - Step 3: Cross multiply
16,128,499.20x = 24,136,761.60 × 14,784,806.40 - Step 4: Simplify right side
16,128,499.20x = 356,857,347,378,954.25 - Step 5: Solve for x
x = 356,857,347,378,954.25/16,128,499.20 - Step 6: Final answer
x = 22,125,886.79
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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.