Finding the Fourth Proportional to 13,321,635.05, 18,384,302.14 and 8,164,000.55
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Solution
The fourth proportional to 13,321,635.05, 18,384,302.14 and 8,164,000.55 is: 11,266,593.94
Step by Step Solution
- Step 1: Write the proportion equation
13,321,635.05 : 18,384,302.14 = 8,164,000.55 : x - Step 2: Convert to fraction form
13,321,635.05/18,384,302.14 = 8,164,000.55/x - Step 3: Cross multiply
13,321,635.05x = 18,384,302.14 × 8,164,000.55 - Step 4: Simplify right side
13,321,635.05x = 150,089,452,669,994.66 - Step 5: Solve for x
x = 150,089,452,669,994.66/13,321,635.05 - Step 6: Final answer
x = 11,266,593.94
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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.