Finding the Fourth Proportional to 10,361,616.10, 15,542,424.15 and 8,682,000.10
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Solution
The fourth proportional to 10,361,616.10, 15,542,424.15 and 8,682,000.10 is: 13,023,000.15
Step by Step Solution
- Step 1: Write the proportion equation
10,361,616.10 : 15,542,424.15 = 8,682,000.10 : x - Step 2: Convert to fraction form
10,361,616.10/15,542,424.15 = 8,682,000.10/x - Step 3: Cross multiply
10,361,616.10x = 15,542,424.15 × 8,682,000.10 - Step 4: Simplify right side
10,361,616.10x = 134,939,328,024,542.41 - Step 5: Solve for x
x = 134,939,328,024,542.41/10,361,616.10 - Step 6: Final answer
x = 13,023,000.15
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1.5x scale
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.