Finding the Fourth Proportional to 18,533,258.64, 27,800,051.96 and 7,609,456.08
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Solution
The fourth proportional to 18,533,258.64, 27,800,051.96 and 7,609,456.08 is: 11,414,251.46
Step by Step Solution
- Step 1: Write the proportion equation
18,533,258.64 : 27,800,051.96 = 7,609,456.08 : x - Step 2: Convert to fraction form
18,533,258.64/27,800,051.96 = 7,609,456.08/x - Step 3: Cross multiply
18,533,258.64x = 27,800,051.96 × 7,609,456.08 - Step 4: Simplify right side
18,533,258.64x = 211,543,274,411,337.94 - Step 5: Solve for x
x = 211,543,274,411,337.94/18,533,258.64 - Step 6: Final answer
x = 11,414,251.46
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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.