Finding the Fourth Proportional to 18,122,132.08, 27,169,620.60 and 10,931,989.92
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Solution
The fourth proportional to 18,122,132.08, 27,169,620.60 and 10,931,989.92 is: 16,389,794.38
Step by Step Solution
- Step 1: Write the proportion equation
18,122,132.08 : 27,169,620.60 = 10,931,989.92 : x - Step 2: Convert to fraction form
18,122,132.08/27,169,620.60 = 10,931,989.92/x - Step 3: Cross multiply
18,122,132.08x = 27,169,620.60 × 10,931,989.92 - Step 4: Simplify right side
18,122,132.08x = 297,018,018,529,424.38 - Step 5: Solve for x
x = 297,018,018,529,424.38/18,122,132.08 - Step 6: Final answer
x = 16,389,794.38
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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.