Finding the Fourth Proportional to 8,868,331.92, 12,230,136.36 and 5,811,435.92
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Solution
The fourth proportional to 8,868,331.92, 12,230,136.36 and 5,811,435.92 is: 8,014,433.20
Step by Step Solution
- Step 1: Write the proportion equation
8,868,331.92 : 12,230,136.36 = 5,811,435.92 : x - Step 2: Convert to fraction form
8,868,331.92/12,230,136.36 = 5,811,435.92/x - Step 3: Cross multiply
8,868,331.92x = 12,230,136.36 × 5,811,435.92 - Step 4: Simplify right side
8,868,331.92x = 71,074,653,749,002.05 - Step 5: Solve for x
x = 71,074,653,749,002.05/8,868,331.92 - Step 6: Final answer
x = 8,014,433.20
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1.5x scale
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.