Finding the Fourth Proportional to 16,128,531.20, 24,136,809.60 and 14,784,838.40
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Solution
The fourth proportional to 16,128,531.20, 24,136,809.60 and 14,784,838.40 is: 22,125,934.78
Step by Step Solution
- Step 1: Write the proportion equation
16,128,531.20 : 24,136,809.60 = 14,784,838.40 : x - Step 2: Convert to fraction form
16,128,531.20/24,136,809.60 = 14,784,838.40/x - Step 3: Cross multiply
16,128,531.20x = 24,136,809.60 × 14,784,838.40 - Step 4: Simplify right side
16,128,531.20x = 356,858,829,427,568.69 - Step 5: Solve for x
x = 356,858,829,427,568.69/16,128,531.20 - Step 6: Final answer
x = 22,125,934.78
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1.5x scale
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.