Finding the Fourth Proportional to 8,083,230.80, 12,089,854.20 and 7,236,424.40
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Solution
The fourth proportional to 8,083,230.80, 12,089,854.20 and 7,236,424.40 is: 10,823,310.39
Step by Step Solution
- Step 1: Write the proportion equation
8,083,230.80 : 12,089,854.20 = 7,236,424.40 : x - Step 2: Convert to fraction form
8,083,230.80/12,089,854.20 = 7,236,424.40/x - Step 3: Cross multiply
8,083,230.80x = 12,089,854.20 × 7,236,424.40 - Step 4: Simplify right side
8,083,230.80x = 87,487,315,925,322.48 - Step 5: Solve for x
x = 87,487,315,925,322.48/8,083,230.80 - Step 6: Final answer
x = 10,823,310.39
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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.