Finding the Fourth Proportional to 21,464,431.17, 29,618,224.72 and 14,510,239.55
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Solution
The fourth proportional to 21,464,431.17, 29,618,224.72 and 14,510,239.55 is: 20,022,311.90
Step by Step Solution
- Step 1: Write the proportion equation
21,464,431.17 : 29,618,224.72 = 14,510,239.55 : x - Step 2: Convert to fraction form
21,464,431.17/29,618,224.72 = 14,510,239.55/x - Step 3: Cross multiply
21,464,431.17x = 29,618,224.72 × 14,510,239.55 - Step 4: Simplify right side
21,464,431.17x = 429,767,535,659,633.31 - Step 5: Solve for x
x = 429,767,535,659,633.31/21,464,431.17 - Step 6: Final answer
x = 20,022,311.90
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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.