Finding the Fourth Proportional to 16,542,407.80, 24,813,620.34 and 5,183,745.40
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Solution
The fourth proportional to 16,542,407.80, 24,813,620.34 and 5,183,745.40 is: 7,775,620.81
Step by Step Solution
- Step 1: Write the proportion equation
16,542,407.80 : 24,813,620.34 = 5,183,745.40 : x - Step 2: Convert to fraction form
16,542,407.80/24,813,620.34 = 5,183,745.40/x - Step 3: Cross multiply
16,542,407.80x = 24,813,620.34 × 5,183,745.40 - Step 4: Simplify right side
16,542,407.80x = 128,627,490,294,821.44 - Step 5: Solve for x
x = 128,627,490,294,821.44/16,542,407.80 - Step 6: Final answer
x = 7,775,620.81
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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.