Finding the Fourth Proportional to 16,128,533.20, 24,136,812.60 and 14,784,840.40
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Solution
The fourth proportional to 16,128,533.20, 24,136,812.60 and 14,784,840.40 is: 22,125,937.78
Step by Step Solution
- Step 1: Write the proportion equation
16,128,533.20 : 24,136,812.60 = 14,784,840.40 : x - Step 2: Convert to fraction form
16,128,533.20/24,136,812.60 = 14,784,840.40/x - Step 3: Cross multiply
16,128,533.20x = 24,136,812.60 × 14,784,840.40 - Step 4: Simplify right side
16,128,533.20x = 356,858,922,055,709.06 - Step 5: Solve for x
x = 356,858,922,055,709.06/16,128,533.20 - Step 6: Final answer
x = 22,125,937.78
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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.