Finding the Fourth Proportional to 18,152,644.22, 27,234,722.40 and 6,480,765.24
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Solution
The fourth proportional to 18,152,644.22, 27,234,722.40 and 6,480,765.24 is: 9,723,202.86
Step by Step Solution
- Step 1: Write the proportion equation
18,152,644.22 : 27,234,722.40 = 6,480,765.24 : x - Step 2: Convert to fraction form
18,152,644.22/27,234,722.40 = 6,480,765.24/x - Step 3: Cross multiply
18,152,644.22x = 27,234,722.40 × 6,480,765.24 - Step 4: Simplify right side
18,152,644.22x = 176,501,842,250,969.38 - Step 5: Solve for x
x = 176,501,842,250,969.38/18,152,644.22 - Step 6: Final answer
x = 9,723,202.86
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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.