Finding the Fourth Proportional to 29,128,350.80, 43,728,468.60 and 18,345,630.80
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Solution
The fourth proportional to 29,128,350.80, 43,728,468.60 and 18,345,630.80 is: 27,541,083.46
Step by Step Solution
- Step 1: Write the proportion equation
29,128,350.80 : 43,728,468.60 = 18,345,630.80 : x - Step 2: Convert to fraction form
29,128,350.80/43,728,468.60 = 18,345,630.80/x - Step 3: Cross multiply
29,128,350.80x = 43,728,468.60 × 18,345,630.80 - Step 4: Simplify right side
29,128,350.80x = 802,226,340,384,993 - Step 5: Solve for x
x = 802,226,340,384,993/29,128,350.80 - Step 6: Final answer
x = 27,541,083.46
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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.