Finding the Fourth Proportional to 12,019,135.18, 16,592,125.98 and 8,052,236.96
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Solution
The fourth proportional to 12,019,135.18, 16,592,125.98 and 8,052,236.96 is: 11,115,918.75
Step by Step Solution
- Step 1: Write the proportion equation
12,019,135.18 : 16,592,125.98 = 8,052,236.96 : x - Step 2: Convert to fraction form
12,019,135.18/16,592,125.98 = 8,052,236.96/x - Step 3: Cross multiply
12,019,135.18x = 16,592,125.98 × 8,052,236.96 - Step 4: Simplify right side
12,019,135.18x = 133,603,730,061,132.22 - Step 5: Solve for x
x = 133,603,730,061,132.22/12,019,135.18 - Step 6: Final answer
x = 11,115,918.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.