Finding the Fourth Proportional to 14,722,277.97, 20,317,414.14 and 8,196,321.91
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Solution
The fourth proportional to 14,722,277.97, 20,317,414.14 and 8,196,321.91 is: 11,311,297.55
Step by Step Solution
- Step 1: Write the proportion equation
14,722,277.97 : 20,317,414.14 = 8,196,321.91 : x - Step 2: Convert to fraction form
14,722,277.97/20,317,414.14 = 8,196,321.91/x - Step 3: Cross multiply
14,722,277.97x = 20,317,414.14 × 8,196,321.91 - Step 4: Simplify right side
14,722,277.97x = 166,528,066,670,225.81 - Step 5: Solve for x
x = 166,528,066,670,225.81/14,722,277.97 - Step 6: Final answer
x = 11,311,297.55
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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.