Finding the Fourth Proportional to 16,643,515.05, 24,968,004.98 and 5,128,984.26
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Solution
The fourth proportional to 16,643,515.05, 24,968,004.98 and 5,128,984.26 is: 7,694,318.43
Step by Step Solution
- Step 1: Write the proportion equation
16,643,515.05 : 24,968,004.98 = 5,128,984.26 : x - Step 2: Convert to fraction form
16,643,515.05/24,968,004.98 = 5,128,984.26/x - Step 3: Cross multiply
16,643,515.05x = 24,968,004.98 × 5,128,984.26 - Step 4: Simplify right side
16,643,515.05x = 128,060,504,520,376.70 - Step 5: Solve for x
x = 128,060,504,520,376.70/16,643,515.05 - Step 6: Final answer
x = 7,694,318.43
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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.