Finding the Fourth Proportional to 43,432,639.56, 65,148,906.78 and 11,084,545.53
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Solution
The fourth proportional to 43,432,639.56, 65,148,906.78 and 11,084,545.53 is: 16,626,804.88
Step by Step Solution
- Step 1: Write the proportion equation
43,432,639.56 : 65,148,906.78 = 11,084,545.53 : x - Step 2: Convert to fraction form
43,432,639.56/65,148,906.78 = 11,084,545.53/x - Step 3: Cross multiply
43,432,639.56x = 65,148,906.78 × 11,084,545.53 - Step 4: Simplify right side
43,432,639.56x = 722,146,023,432,635.62 - Step 5: Solve for x
x = 722,146,023,432,635.62/43,432,639.56 - Step 6: Final answer
x = 16,626,804.88
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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.