Finding the Fourth Proportional to 18,445,893.60, 27,668,840.40 and 18,162,458.40
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Solution
The fourth proportional to 18,445,893.60, 27,668,840.40 and 18,162,458.40 is: 27,243,687.60
Step by Step Solution
- Step 1: Write the proportion equation
18,445,893.60 : 27,668,840.40 = 18,162,458.40 : x - Step 2: Convert to fraction form
18,445,893.60/27,668,840.40 = 18,162,458.40/x - Step 3: Cross multiply
18,445,893.60x = 27,668,840.40 × 18,162,458.40 - Step 4: Simplify right side
18,445,893.60x = 502,534,162,741,239.31 - Step 5: Solve for x
x = 502,534,162,741,239.31/18,445,893.60 - Step 6: Final answer
x = 27,243,687.60
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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.