Finding the Fourth Proportional to 16,128,538.70, 24,136,820.85 and 14,784,845.90
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Solution
The fourth proportional to 16,128,538.70, 24,136,820.85 and 14,784,845.90 is: 22,125,946.03
Step by Step Solution
- Step 1: Write the proportion equation
16,128,538.70 : 24,136,820.85 = 14,784,845.90 : x - Step 2: Convert to fraction form
16,128,538.70/24,136,820.85 = 14,784,845.90/x - Step 3: Cross multiply
16,128,538.70x = 24,136,820.85 × 14,784,845.90 - Step 4: Simplify right side
16,128,538.70x = 356,859,176,783,157.06 - Step 5: Solve for x
x = 356,859,176,783,157.06/16,128,538.70 - Step 6: Final answer
x = 22,125,946.03
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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.