Finding the Fourth Proportional to 11,193,376.20, 16,762,070.70 and 8,953,888.20
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Solution
The fourth proportional to 11,193,376.20, 16,762,070.70 and 8,953,888.20 is: 13,408,439.45
Step by Step Solution
- Step 1: Write the proportion equation
11,193,376.20 : 16,762,070.70 = 8,953,888.20 : x - Step 2: Convert to fraction form
11,193,376.20/16,762,070.70 = 8,953,888.20/x - Step 3: Cross multiply
11,193,376.20x = 16,762,070.70 × 8,953,888.20 - Step 4: Simplify right side
11,193,376.20x = 150,085,707,048,295.72 - Step 5: Solve for x
x = 150,085,707,048,295.72/11,193,376.20 - Step 6: Final answer
x = 13,408,439.45
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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.